[{"title":"Absence of collapse into persistent Dirac-type singularities in a Keller-Segel-Navier-Stokes system involving local sensing","doi":"10.57262/ade028-1112-921","publisher":"Khayyam Publishing, Inc","date_updated":"2025-12-18T20:07:12Z","volume":28,"author":[{"first_name":"Michael","id":"31496","full_name":"Winkler, Michael","last_name":"Winkler"}],"date_created":"2025-12-18T19:18:31Z","year":"2023","intvolume":"        28","citation":{"chicago":"Winkler, Michael. “Absence of Collapse into Persistent Dirac-Type Singularities in a Keller-Segel-Navier-Stokes System Involving Local Sensing.” <i>Advances in Differential Equations</i> 28, no. 11/12 (2023). <a href=\"https://doi.org/10.57262/ade028-1112-921\">https://doi.org/10.57262/ade028-1112-921</a>.","ieee":"M. Winkler, “Absence of collapse into persistent Dirac-type singularities in a Keller-Segel-Navier-Stokes system involving local sensing,” <i>Advances in Differential Equations</i>, vol. 28, no. 11/12, 2023, doi: <a href=\"https://doi.org/10.57262/ade028-1112-921\">10.57262/ade028-1112-921</a>.","ama":"Winkler M. Absence of collapse into persistent Dirac-type singularities in a Keller-Segel-Navier-Stokes system involving local sensing. <i>Advances in Differential Equations</i>. 2023;28(11/12). doi:<a href=\"https://doi.org/10.57262/ade028-1112-921\">10.57262/ade028-1112-921</a>","short":"M. Winkler, Advances in Differential Equations 28 (2023).","bibtex":"@article{Winkler_2023, title={Absence of collapse into persistent Dirac-type singularities in a Keller-Segel-Navier-Stokes system involving local sensing}, volume={28}, DOI={<a href=\"https://doi.org/10.57262/ade028-1112-921\">10.57262/ade028-1112-921</a>}, number={11/12}, journal={Advances in Differential Equations}, publisher={Khayyam Publishing, Inc}, author={Winkler, Michael}, year={2023} }","mla":"Winkler, Michael. “Absence of Collapse into Persistent Dirac-Type Singularities in a Keller-Segel-Navier-Stokes System Involving Local Sensing.” <i>Advances in Differential Equations</i>, vol. 28, no. 11/12, Khayyam Publishing, Inc, 2023, doi:<a href=\"https://doi.org/10.57262/ade028-1112-921\">10.57262/ade028-1112-921</a>.","apa":"Winkler, M. (2023). Absence of collapse into persistent Dirac-type singularities in a Keller-Segel-Navier-Stokes system involving local sensing. <i>Advances in Differential Equations</i>, <i>28</i>(11/12). <a href=\"https://doi.org/10.57262/ade028-1112-921\">https://doi.org/10.57262/ade028-1112-921</a>"},"publication_identifier":{"issn":["1079-9389"]},"publication_status":"published","issue":"11/12","language":[{"iso":"eng"}],"_id":"63285","user_id":"31496","status":"public","publication":"Advances in Differential Equations","type":"journal_article"},{"citation":{"bibtex":"@article{Winkler_2023, title={Classical solutions to Cauchy problems for parabolic–elliptic systems of Keller-Segel type}, volume={21}, DOI={<a href=\"https://doi.org/10.1515/math-2022-0578\">10.1515/math-2022-0578</a>}, number={120220578}, journal={Open Mathematics}, publisher={Walter de Gruyter GmbH}, author={Winkler, Michael}, year={2023} }","mla":"Winkler, Michael. “Classical Solutions to Cauchy Problems for Parabolic–Elliptic Systems of Keller-Segel Type.” <i>Open Mathematics</i>, vol. 21, no. 1, 20220578, Walter de Gruyter GmbH, 2023, doi:<a href=\"https://doi.org/10.1515/math-2022-0578\">10.1515/math-2022-0578</a>.","short":"M. Winkler, Open Mathematics 21 (2023).","apa":"Winkler, M. (2023). Classical solutions to Cauchy problems for parabolic–elliptic systems of Keller-Segel type. <i>Open Mathematics</i>, <i>21</i>(1), Article 20220578. <a href=\"https://doi.org/10.1515/math-2022-0578\">https://doi.org/10.1515/math-2022-0578</a>","ama":"Winkler M. Classical solutions to Cauchy problems for parabolic–elliptic systems of Keller-Segel type. <i>Open Mathematics</i>. 2023;21(1). doi:<a href=\"https://doi.org/10.1515/math-2022-0578\">10.1515/math-2022-0578</a>","ieee":"M. Winkler, “Classical solutions to Cauchy problems for parabolic–elliptic systems of Keller-Segel type,” <i>Open Mathematics</i>, vol. 21, no. 1, Art. no. 20220578, 2023, doi: <a href=\"https://doi.org/10.1515/math-2022-0578\">10.1515/math-2022-0578</a>.","chicago":"Winkler, Michael. “Classical Solutions to Cauchy Problems for Parabolic–Elliptic Systems of Keller-Segel Type.” <i>Open Mathematics</i> 21, no. 1 (2023). <a href=\"https://doi.org/10.1515/math-2022-0578\">https://doi.org/10.1515/math-2022-0578</a>."},"intvolume":"        21","year":"2023","issue":"1","publication_status":"published","publication_identifier":{"issn":["2391-5455"]},"doi":"10.1515/math-2022-0578","title":"Classical solutions to Cauchy problems for parabolic–elliptic systems of Keller-Segel type","author":[{"last_name":"Winkler","full_name":"Winkler, Michael","id":"31496","first_name":"Michael"}],"date_created":"2025-12-18T19:19:35Z","volume":21,"date_updated":"2025-12-18T20:07:34Z","publisher":"Walter de Gruyter GmbH","status":"public","abstract":[{"lang":"eng","text":"<jats:title>Abstract</jats:title>\r\n               <jats:p>The Cauchy problem in <jats:inline-formula>\r\n                     <jats:alternatives>\r\n                        <jats:inline-graphic xmlns:xlink=\"http://www.w3.org/1999/xlink\" xlink:href=\"graphic/j_math-2022-0578_eq_001.png\"/>\r\n                        <m:math xmlns:m=\"http://www.w3.org/1998/Math/MathML\">\r\n                           <m:msup>\r\n                              <m:mrow>\r\n                                 <m:mi mathvariant=\"double-struck\">R</m:mi>\r\n                              </m:mrow>\r\n                              <m:mrow>\r\n                                 <m:mi>n</m:mi>\r\n                              </m:mrow>\r\n                           </m:msup>\r\n                        </m:math>\r\n                        <jats:tex-math>{{\\mathbb{R}}}^{n}</jats:tex-math>\r\n                     </jats:alternatives>\r\n                  </jats:inline-formula>, <jats:inline-formula>\r\n                     <jats:alternatives>\r\n                        <jats:inline-graphic xmlns:xlink=\"http://www.w3.org/1999/xlink\" xlink:href=\"graphic/j_math-2022-0578_eq_002.png\"/>\r\n                        <m:math xmlns:m=\"http://www.w3.org/1998/Math/MathML\">\r\n                           <m:mi>n</m:mi>\r\n                           <m:mo>≥</m:mo>\r\n                           <m:mn>2</m:mn>\r\n                        </m:math>\r\n                        <jats:tex-math>n\\ge 2</jats:tex-math>\r\n                     </jats:alternatives>\r\n                  </jats:inline-formula>, for <jats:disp-formula id=\"j_math-2022-0578_eq_001\">\r\n                     <jats:alternatives>\r\n                        <jats:graphic xmlns:xlink=\"http://www.w3.org/1999/xlink\" xlink:href=\"graphic/j_math-2022-0578_eq_003.png\"/>\r\n                        <m:math xmlns:m=\"http://www.w3.org/1998/Math/MathML\" display=\"block\">\r\n                           <m:mtable displaystyle=\"true\">\r\n                              <m:mtr>\r\n                                 <m:mtd columnalign=\"right\">\r\n                                    <m:mfenced open=\"{\" close=\"\">\r\n                                       <m:mrow>\r\n                                          <m:mspace depth=\"1.25em\"/>\r\n                                          <m:mtable displaystyle=\"true\">\r\n                                             <m:mtr>\r\n                                                <m:mtd columnalign=\"left\">\r\n                                                   <m:msub>\r\n                                                      <m:mrow>\r\n                                                         <m:mi>u</m:mi>\r\n                                                      </m:mrow>\r\n                                                      <m:mrow>\r\n                                                         <m:mi>t</m:mi>\r\n                                                      </m:mrow>\r\n                                                   </m:msub>\r\n                                                   <m:mo>=</m:mo>\r\n                                                   <m:mi mathvariant=\"normal\">Δ</m:mi>\r\n                                                   <m:mi>u</m:mi>\r\n                                                   <m:mo>−</m:mo>\r\n                                                   <m:mrow>\r\n                                                      <m:mo>∇</m:mo>\r\n                                                   </m:mrow>\r\n                                                   <m:mo>⋅</m:mo>\r\n                                                   <m:mrow>\r\n                                                      <m:mo>(</m:mo>\r\n                                                      <m:mrow>\r\n                                                         <m:mi>u</m:mi>\r\n                                                         <m:mi>S</m:mi>\r\n                                                         <m:mo>⋅</m:mo>\r\n                                                         <m:mrow>\r\n                                                            <m:mo>∇</m:mo>\r\n                                                         </m:mrow>\r\n                                                         <m:mi>v</m:mi>\r\n                                                      </m:mrow>\r\n                                                      <m:mo>)</m:mo>\r\n                                                   </m:mrow>\r\n                                                   <m:mo>,</m:mo>\r\n                                                </m:mtd>\r\n                                             </m:mtr>\r\n                                             <m:mtr>\r\n                                                <m:mtd columnalign=\"left\">\r\n                                                   <m:mn>0</m:mn>\r\n                                                   <m:mo>=</m:mo>\r\n                                                   <m:mi mathvariant=\"normal\">Δ</m:mi>\r\n                                                   <m:mi>v</m:mi>\r\n                                                   <m:mo>+</m:mo>\r\n                                                   <m:mi>u</m:mi>\r\n                                                   <m:mo>,</m:mo>\r\n                                                </m:mtd>\r\n                                             </m:mtr>\r\n                                          </m:mtable>\r\n                                       </m:mrow>\r\n                                    </m:mfenced>\r\n                                    <m:mspace width=\"2.0em\"/>\r\n                                    <m:mspace width=\"2.0em\"/>\r\n                                    <m:mspace width=\"2.0em\"/>\r\n                                    <m:mrow>\r\n                                       <m:mo>(</m:mo>\r\n                                       <m:mrow>\r\n                                          <m:mo>⋆</m:mo>\r\n                                       </m:mrow>\r\n                                       <m:mo>)</m:mo>\r\n                                    </m:mrow>\r\n                                 </m:mtd>\r\n                              </m:mtr>\r\n                           </m:mtable>\r\n                        </m:math>\r\n                        <jats:tex-math>\\begin{array}{r}\\left\\{\\phantom{\\rule[-1.25em]{}{0ex}}\\begin{array}{l}{u}_{t}=\\Delta u-\\nabla \\cdot \\left(uS\\cdot \\nabla v),\\\\ 0=\\Delta v+u,\\end{array}\\right.\\hspace{2.0em}\\hspace{2.0em}\\hspace{2.0em}\\left(\\star )\\end{array}</jats:tex-math>\r\n                     </jats:alternatives>\r\n                  </jats:disp-formula> is considered for general matrices <jats:inline-formula>\r\n                     <jats:alternatives>\r\n                        <jats:inline-graphic xmlns:xlink=\"http://www.w3.org/1999/xlink\" xlink:href=\"graphic/j_math-2022-0578_eq_004.png\"/>\r\n                        <m:math xmlns:m=\"http://www.w3.org/1998/Math/MathML\">\r\n                           <m:mi>S</m:mi>\r\n                           <m:mo>∈</m:mo>\r\n                           <m:msup>\r\n                              <m:mrow>\r\n                                 <m:mi mathvariant=\"double-struck\">R</m:mi>\r\n                              </m:mrow>\r\n                              <m:mrow>\r\n                                 <m:mi>n</m:mi>\r\n                                 <m:mo>×</m:mo>\r\n                                 <m:mi>n</m:mi>\r\n                              </m:mrow>\r\n                           </m:msup>\r\n                        </m:math>\r\n                        <jats:tex-math>S\\in {{\\mathbb{R}}}^{n\\times n}</jats:tex-math>\r\n                     </jats:alternatives>\r\n                  </jats:inline-formula>. A theory of local-in-time classical existence and extensibility is developed in a framework that differs from those considered in large parts of the literature by involving bounded classical solutions. Specifically, it is shown that for all non-negative initial data belonging to <jats:inline-formula>\r\n                     <jats:alternatives>\r\n                        <jats:inline-graphic xmlns:xlink=\"http://www.w3.org/1999/xlink\" xlink:href=\"graphic/j_math-2022-0578_eq_005.png\"/>\r\n                        <m:math xmlns:m=\"http://www.w3.org/1998/Math/MathML\">\r\n                           <m:mi mathvariant=\"normal\">BUC</m:mi>\r\n                           <m:mrow>\r\n                              <m:mo>(</m:mo>\r\n                              <m:mrow>\r\n                                 <m:msup>\r\n                                    <m:mrow>\r\n                                       <m:mi mathvariant=\"double-struck\">R</m:mi>\r\n                                    </m:mrow>\r\n                                    <m:mrow>\r\n                                       <m:mi>n</m:mi>\r\n                                    </m:mrow>\r\n                                 </m:msup>\r\n                              </m:mrow>\r\n                              <m:mo>)</m:mo>\r\n                           </m:mrow>\r\n                           <m:mo>∩</m:mo>\r\n                           <m:msup>\r\n                              <m:mrow>\r\n                                 <m:mi>L</m:mi>\r\n                              </m:mrow>\r\n                              <m:mrow>\r\n                                 <m:mi>p</m:mi>\r\n                              </m:mrow>\r\n                           </m:msup>\r\n                           <m:mrow>\r\n                              <m:mo>(</m:mo>\r\n                              <m:mrow>\r\n                                 <m:msup>\r\n                                    <m:mrow>\r\n                                       <m:mi mathvariant=\"double-struck\">R</m:mi>\r\n                                    </m:mrow>\r\n                                    <m:mrow>\r\n                                       <m:mi>n</m:mi>\r\n                                    </m:mrow>\r\n                                 </m:msup>\r\n                              </m:mrow>\r\n                              <m:mo>)</m:mo>\r\n                           </m:mrow>\r\n                        </m:math>\r\n                        <jats:tex-math>{\\rm{BUC}}\\left({{\\mathbb{R}}}^{n})\\cap {L}^{p}\\left({{\\mathbb{R}}}^{n})</jats:tex-math>\r\n                     </jats:alternatives>\r\n                  </jats:inline-formula> with some <jats:inline-formula>\r\n                     <jats:alternatives>\r\n                        <jats:inline-graphic xmlns:xlink=\"http://www.w3.org/1999/xlink\" xlink:href=\"graphic/j_math-2022-0578_eq_006.png\"/>\r\n                        <m:math xmlns:m=\"http://www.w3.org/1998/Math/MathML\">\r\n                           <m:mi>p</m:mi>\r\n                           <m:mo>∈</m:mo>\r\n                           <m:mrow>\r\n                              <m:mo>[</m:mo>\r\n                              <m:mrow>\r\n                                 <m:mn>1</m:mn>\r\n                                 <m:mo>,</m:mo>\r\n                                 <m:mi>n</m:mi>\r\n                              </m:mrow>\r\n                              <m:mo>)</m:mo>\r\n                           </m:mrow>\r\n                        </m:math>\r\n                        <jats:tex-math>p\\in \\left[1,n)</jats:tex-math>\r\n                     </jats:alternatives>\r\n                  </jats:inline-formula>, there exist <jats:inline-formula>\r\n                     <jats:alternatives>\r\n                        <jats:inline-graphic xmlns:xlink=\"http://www.w3.org/1999/xlink\" xlink:href=\"graphic/j_math-2022-0578_eq_007.png\"/>\r\n                        <m:math xmlns:m=\"http://www.w3.org/1998/Math/MathML\">\r\n                           <m:msub>\r\n                              <m:mrow>\r\n                                 <m:mi>T</m:mi>\r\n                              </m:mrow>\r\n                              <m:mrow>\r\n                                 <m:mi>max</m:mi>\r\n                              </m:mrow>\r\n                           </m:msub>\r\n                           <m:mo>∈</m:mo>\r\n                           <m:mrow>\r\n                              <m:mo>(</m:mo>\r\n                              <m:mrow>\r\n                                 <m:mn>0</m:mn>\r\n                                 <m:mo>,</m:mo>\r\n                                 <m:mi>∞</m:mi>\r\n                              </m:mrow>\r\n                              <m:mo>]</m:mo>\r\n                           </m:mrow>\r\n                        </m:math>\r\n                        <jats:tex-math>{T}_{\\max }\\in \\left(0,\\infty ]</jats:tex-math>\r\n                     </jats:alternatives>\r\n                  </jats:inline-formula> and a uniquely determined <jats:inline-formula>\r\n                     <jats:alternatives>\r\n                        <jats:inline-graphic xmlns:xlink=\"http://www.w3.org/1999/xlink\" xlink:href=\"graphic/j_math-2022-0578_eq_008.png\"/>\r\n                        <m:math xmlns:m=\"http://www.w3.org/1998/Math/MathML\">\r\n                           <m:mi>u</m:mi>\r\n                           <m:mo>∈</m:mo>\r\n                           <m:msup>\r\n                              <m:mrow>\r\n                                 <m:mi>C</m:mi>\r\n                              </m:mrow>\r\n                              <m:mrow>\r\n                                 <m:mn>0</m:mn>\r\n                              </m:mrow>\r\n                           </m:msup>\r\n                           <m:mrow>\r\n                              <m:mo>(</m:mo>\r\n                              <m:mrow>\r\n                                 <m:mrow>\r\n                                    <m:mo>[</m:mo>\r\n                                    <m:mrow>\r\n                                       <m:mn>0</m:mn>\r\n                                       <m:mo>,</m:mo>\r\n                                       <m:msub>\r\n                                          <m:mrow>\r\n                                             <m:mi>T</m:mi>\r\n                                          </m:mrow>\r\n                                          <m:mrow>\r\n                                             <m:mi>max</m:mi>\r\n                                          </m:mrow>\r\n                                       </m:msub>\r\n                                    </m:mrow>\r\n                                    <m:mo>)</m:mo>\r\n                                 </m:mrow>\r\n                                 <m:mo>;</m:mo>\r\n                                 <m:mspace width=\"0.33em\"/>\r\n                                 <m:mi mathvariant=\"normal\">BUC</m:mi>\r\n                                 <m:mrow>\r\n                                    <m:mo>(</m:mo>\r\n                                    <m:mrow>\r\n                                       <m:msup>\r\n                                          <m:mrow>\r\n                                             <m:mi mathvariant=\"double-struck\">R</m:mi>\r\n                                          </m:mrow>\r\n                                          <m:mrow>\r\n                                             <m:mi>n</m:mi>\r\n                                          </m:mrow>\r\n                                       </m:msup>\r\n                                    </m:mrow>\r\n                                    <m:mo>)</m:mo>\r\n                                 </m:mrow>\r\n                              </m:mrow>\r\n                              <m:mo>)</m:mo>\r\n                           </m:mrow>\r\n                           <m:mo>∩</m:mo>\r\n                           <m:msup>\r\n                              <m:mrow>\r\n                                 <m:mi>C</m:mi>\r\n                              </m:mrow>\r\n                              <m:mrow>\r\n                                 <m:mn>0</m:mn>\r\n                              </m:mrow>\r\n                           </m:msup>\r\n                           <m:mrow>\r\n                              <m:mo>(</m:mo>\r\n                              <m:mrow>\r\n                                 <m:mrow>\r\n                                    <m:mo>[</m:mo>\r\n                                    <m:mrow>\r\n                                       <m:mn>0</m:mn>\r\n                                       <m:mo>,</m:mo>\r\n                                       <m:msub>\r\n                                          <m:mrow>\r\n                                             <m:mi>T</m:mi>\r\n                                          </m:mrow>\r\n                                          <m:mrow>\r\n                                             <m:mi>max</m:mi>\r\n                                          </m:mrow>\r\n                                       </m:msub>\r\n                                    </m:mrow>\r\n                                    <m:mo>)</m:mo>\r\n                                 </m:mrow>\r\n                                 <m:mo>;</m:mo>\r\n                                 <m:mspace width=\"0.33em\"/>\r\n                                 <m:msup>\r\n                                    <m:mrow>\r\n                                       <m:mi>L</m:mi>\r\n                                    </m:mrow>\r\n                                    <m:mrow>\r\n                                       <m:mi>p</m:mi>\r\n                                    </m:mrow>\r\n                                 </m:msup>\r\n                                 <m:mrow>\r\n                                    <m:mo>(</m:mo>\r\n                                    <m:mrow>\r\n                                       <m:msup>\r\n                                          <m:mrow>\r\n                                             <m:mi mathvariant=\"double-struck\">R</m:mi>\r\n                                          </m:mrow>\r\n                                          <m:mrow>\r\n                                             <m:mi>n</m:mi>\r\n                                          </m:mrow>\r\n                                       </m:msup>\r\n                                    </m:mrow>\r\n                                    <m:mo>)</m:mo>\r\n                                 </m:mrow>\r\n                              </m:mrow>\r\n                              <m:mo>)</m:mo>\r\n                           </m:mrow>\r\n                           <m:mo>∩</m:mo>\r\n                           <m:msup>\r\n                              <m:mrow>\r\n                                 <m:mi>C</m:mi>\r\n                              </m:mrow>\r\n                              <m:mrow>\r\n                                 <m:mi>∞</m:mi>\r\n                              </m:mrow>\r\n                           </m:msup>\r\n                           <m:mrow>\r\n                              <m:mo>(</m:mo>\r\n                              <m:mrow>\r\n                                 <m:msup>\r\n                                    <m:mrow>\r\n                                       <m:mi mathvariant=\"double-struck\">R</m:mi>\r\n                                    </m:mrow>\r\n                                    <m:mrow>\r\n                                       <m:mi>n</m:mi>\r\n                                    </m:mrow>\r\n                                 </m:msup>\r\n                                 <m:mo>×</m:mo>\r\n                                 <m:mrow>\r\n                                    <m:mo>(</m:mo>\r\n                                    <m:mrow>\r\n                                       <m:mn>0</m:mn>\r\n                                       <m:mo>,</m:mo>\r\n                                       <m:msub>\r\n                                          <m:mrow>\r\n                                             <m:mi>T</m:mi>\r\n                                          </m:mrow>\r\n                                          <m:mrow>\r\n                                             <m:mi>max</m:mi>\r\n                                          </m:mrow>\r\n                                       </m:msub>\r\n                                    </m:mrow>\r\n                                    <m:mo>)</m:mo>\r\n                                 </m:mrow>\r\n                              </m:mrow>\r\n                              <m:mo>)</m:mo>\r\n                           </m:mrow>\r\n                        </m:math>\r\n                        <jats:tex-math>u\\in {C}^{0}\\left(\\left[0,{T}_{\\max });\\hspace{0.33em}{\\rm{BUC}}\\left({{\\mathbb{R}}}^{n}))\\cap {C}^{0}\\left(\\left[0,{T}_{\\max });\\hspace{0.33em}{L}^{p}\\left({{\\mathbb{R}}}^{n}))\\cap {C}^{\\infty }\\left({{\\mathbb{R}}}^{n}\\times \\left(0,{T}_{\\max }))</jats:tex-math>\r\n                     </jats:alternatives>\r\n                  </jats:inline-formula> such that with <jats:inline-formula>\r\n                     <jats:alternatives>\r\n                        <jats:inline-graphic xmlns:xlink=\"http://www.w3.org/1999/xlink\" xlink:href=\"graphic/j_math-2022-0578_eq_009.png\"/>\r\n                        <m:math xmlns:m=\"http://www.w3.org/1998/Math/MathML\">\r\n                           <m:mi>v</m:mi>\r\n                           <m:mo>≔</m:mo>\r\n                           <m:mi mathvariant=\"normal\">Γ</m:mi>\r\n                           <m:mo>⋆</m:mo>\r\n                           <m:mi>u</m:mi>\r\n                        </m:math>\r\n                        <jats:tex-math>v:= \\Gamma \\star u</jats:tex-math>\r\n                     </jats:alternatives>\r\n                  </jats:inline-formula>, and with <jats:inline-formula>\r\n                     <jats:alternatives>\r\n                        <jats:inline-graphic xmlns:xlink=\"http://www.w3.org/1999/xlink\" xlink:href=\"graphic/j_math-2022-0578_eq_010.png\"/>\r\n                        <m:math xmlns:m=\"http://www.w3.org/1998/Math/MathML\">\r\n                           <m:mi mathvariant=\"normal\">Γ</m:mi>\r\n                        </m:math>\r\n                        <jats:tex-math>\\Gamma </jats:tex-math>\r\n                     </jats:alternatives>\r\n                  </jats:inline-formula> denoting the Newtonian kernel on <jats:inline-formula>\r\n                     <jats:alternatives>\r\n                        <jats:inline-graphic xmlns:xlink=\"http://www.w3.org/1999/xlink\" xlink:href=\"graphic/j_math-2022-0578_eq_011.png\"/>\r\n                        <m:math xmlns:m=\"http://www.w3.org/1998/Math/MathML\">\r\n                           <m:msup>\r\n                              <m:mrow>\r\n                                 <m:mi mathvariant=\"double-struck\">R</m:mi>\r\n                              </m:mrow>\r\n                              <m:mrow>\r\n                                 <m:mi>n</m:mi>\r\n                              </m:mrow>\r\n                           </m:msup>\r\n                        </m:math>\r\n                        <jats:tex-math>{{\\mathbb{R}}}^{n}</jats:tex-math>\r\n                     </jats:alternatives>\r\n                  </jats:inline-formula>, the pair <jats:inline-formula>\r\n                     <jats:alternatives>\r\n                        <jats:inline-graphic xmlns:xlink=\"http://www.w3.org/1999/xlink\" xlink:href=\"graphic/j_math-2022-0578_eq_012.png\"/>\r\n                        <m:math xmlns:m=\"http://www.w3.org/1998/Math/MathML\">\r\n                           <m:mrow>\r\n                              <m:mo>(</m:mo>\r\n                              <m:mrow>\r\n                                 <m:mi>u</m:mi>\r\n                                 <m:mo>,</m:mo>\r\n                                 <m:mi>v</m:mi>\r\n                              </m:mrow>\r\n                              <m:mo>)</m:mo>\r\n                           </m:mrow>\r\n                        </m:math>\r\n                        <jats:tex-math>\\left(u,v)</jats:tex-math>\r\n                     </jats:alternatives>\r\n                  </jats:inline-formula> forms a classical solution of (<jats:inline-formula>\r\n                     <jats:alternatives>\r\n                        <jats:inline-graphic xmlns:xlink=\"http://www.w3.org/1999/xlink\" xlink:href=\"graphic/j_math-2022-0578_eq_013.png\"/>\r\n                        <m:math xmlns:m=\"http://www.w3.org/1998/Math/MathML\">\r\n                           <m:mo>⋆</m:mo>\r\n                        </m:math>\r\n                        <jats:tex-math>\\star </jats:tex-math>\r\n                     </jats:alternatives>\r\n                  </jats:inline-formula>) in <jats:inline-formula>\r\n                     <jats:alternatives>\r\n                        <jats:inline-graphic xmlns:xlink=\"http://www.w3.org/1999/xlink\" xlink:href=\"graphic/j_math-2022-0578_eq_014.png\"/>\r\n                        <m:math xmlns:m=\"http://www.w3.org/1998/Math/MathML\">\r\n                           <m:msup>\r\n                              <m:mrow>\r\n                                 <m:mi mathvariant=\"double-struck\">R</m:mi>\r\n                              </m:mrow>\r\n                              <m:mrow>\r\n                                 <m:mi>n</m:mi>\r\n                              </m:mrow>\r\n                           </m:msup>\r\n                           <m:mo>×</m:mo>\r\n                           <m:mrow>\r\n                              <m:mo>(</m:mo>\r\n                              <m:mrow>\r\n                                 <m:mn>0</m:mn>\r\n                                 <m:mo>,</m:mo>\r\n                                 <m:msub>\r\n                                    <m:mrow>\r\n                                       <m:mi>T</m:mi>\r\n                                    </m:mrow>\r\n                                    <m:mrow>\r\n                                       <m:mi>max</m:mi>\r\n                                    </m:mrow>\r\n                                 </m:msub>\r\n                              </m:mrow>\r\n                              <m:mo>)</m:mo>\r\n                           </m:mrow>\r\n                        </m:math>\r\n                        <jats:tex-math>{{\\mathbb{R}}}^{n}\\times \\left(0,{T}_{\\max })</jats:tex-math>\r\n                     </jats:alternatives>\r\n                  </jats:inline-formula>, which has the property that <jats:disp-formula id=\"j_math-2022-0578_eq_002\">\r\n                     <jats:alternatives>\r\n                        <jats:graphic xmlns:xlink=\"http://www.w3.org/1999/xlink\" xlink:href=\"graphic/j_math-2022-0578_eq_015.png\"/>\r\n                        <m:math xmlns:m=\"http://www.w3.org/1998/Math/MathML\" display=\"block\">\r\n                           <m:mspace width=\"0.1em\"/>\r\n                           <m:mtext>if</m:mtext>\r\n                           <m:mspace width=\"0.1em\"/>\r\n                           <m:mspace width=\"0.33em\"/>\r\n                           <m:msub>\r\n                              <m:mrow>\r\n                                 <m:mi>T</m:mi>\r\n                              </m:mrow>\r\n                              <m:mrow>\r\n                                 <m:mi>max</m:mi>\r\n                              </m:mrow>\r\n                           </m:msub>\r\n                           <m:mo>&lt;</m:mo>\r\n                           <m:mi>∞</m:mi>\r\n                           <m:mo>,</m:mo>\r\n                           <m:mspace width=\"1.0em\"/>\r\n                           <m:mstyle>\r\n                              <m:mspace width=\"0.1em\"/>\r\n                              <m:mtext>then both</m:mtext>\r\n                              <m:mspace width=\"0.1em\"/>\r\n                           </m:mstyle>\r\n                           <m:mspace width=\"0.33em\"/>\r\n                           <m:munder>\r\n                              <m:mrow>\r\n                                 <m:mi>limsup</m:mi>\r\n                              </m:mrow>\r\n                              <m:mrow>\r\n                                 <m:mi>t</m:mi>\r\n                                 <m:mo>↗</m:mo>\r\n                                 <m:msub>\r\n                                    <m:mrow>\r\n                                       <m:mi>T</m:mi>\r\n                                    </m:mrow>\r\n                                    <m:mrow>\r\n                                       <m:mi>max</m:mi>\r\n                                    </m:mrow>\r\n                                 </m:msub>\r\n                              </m:mrow>\r\n                           </m:munder>\r\n                           <m:msub>\r\n                              <m:mrow>\r\n                                 <m:mo>‖</m:mo>\r\n                                 <m:mi>u</m:mi>\r\n                                 <m:mrow>\r\n                                    <m:mo>(</m:mo>\r\n                                    <m:mrow>\r\n                                       <m:mo>⋅</m:mo>\r\n                                       <m:mo>,</m:mo>\r\n                                       <m:mi>t</m:mi>\r\n                                    </m:mrow>\r\n                                    <m:mo>)</m:mo>\r\n                                 </m:mrow>\r\n                                 <m:mo>‖</m:mo>\r\n                              </m:mrow>\r\n                              <m:mrow>\r\n                                 <m:msup>\r\n                                    <m:mrow>\r\n                                       <m:mi>L</m:mi>\r\n                                    </m:mrow>\r\n                                    <m:mrow>\r\n                                       <m:mi>∞</m:mi>\r\n                                    </m:mrow>\r\n                                 </m:msup>\r\n                                 <m:mrow>\r\n                                    <m:mo>(</m:mo>\r\n                                    <m:mrow>\r\n                                       <m:msup>\r\n                                          <m:mrow>\r\n                                             <m:mi mathvariant=\"double-struck\">R</m:mi>\r\n                                          </m:mrow>\r\n                                          <m:mrow>\r\n                                             <m:mi>n</m:mi>\r\n                                          </m:mrow>\r\n                                       </m:msup>\r\n                                    </m:mrow>\r\n                                    <m:mo>)</m:mo>\r\n                                 </m:mrow>\r\n                              </m:mrow>\r\n                           </m:msub>\r\n                           <m:mo>=</m:mo>\r\n                           <m:mi>∞</m:mi>\r\n                           <m:mspace width=\"1.0em\"/>\r\n                           <m:mspace width=\"0.1em\"/>\r\n                           <m:mtext>and</m:mtext>\r\n                           <m:mspace width=\"0.1em\"/>\r\n                           <m:mspace width=\"1.0em\"/>\r\n                           <m:munder>\r\n                              <m:mrow>\r\n                                 <m:mi>limsup</m:mi>\r\n                              </m:mrow>\r\n                              <m:mrow>\r\n                                 <m:mi>t</m:mi>\r\n                                 <m:mo>↗</m:mo>\r\n                                 <m:msub>\r\n                                    <m:mrow>\r\n                                       <m:mi>T</m:mi>\r\n                                    </m:mrow>\r\n                                    <m:mrow>\r\n                                       <m:mi>max</m:mi>\r\n                                    </m:mrow>\r\n                                 </m:msub>\r\n                              </m:mrow>\r\n                           </m:munder>\r\n                           <m:msub>\r\n                              <m:mrow>\r\n                                 <m:mo>‖</m:mo>\r\n                                 <m:mrow>\r\n                                    <m:mo>∇</m:mo>\r\n                                 </m:mrow>\r\n                                 <m:mi>v</m:mi>\r\n                                 <m:mrow>\r\n                                    <m:mo>(</m:mo>\r\n                                    <m:mrow>\r\n                                       <m:mo>⋅</m:mo>\r\n                                       <m:mo>,</m:mo>\r\n                                       <m:mi>t</m:mi>\r\n                                    </m:mrow>\r\n                                    <m:mo>)</m:mo>\r\n                                 </m:mrow>\r\n                                 <m:mo>‖</m:mo>\r\n                              </m:mrow>\r\n                              <m:mrow>\r\n                                 <m:msup>\r\n                                    <m:mrow>\r\n                                       <m:mi>L</m:mi>\r\n                                    </m:mrow>\r\n                                    <m:mrow>\r\n                                       <m:mi>∞</m:mi>\r\n                                    </m:mrow>\r\n                                 </m:msup>\r\n                                 <m:mrow>\r\n                                    <m:mo>(</m:mo>\r\n                                    <m:mrow>\r\n                                       <m:msup>\r\n                                          <m:mrow>\r\n                                             <m:mi mathvariant=\"double-struck\">R</m:mi>\r\n                                          </m:mrow>\r\n                                          <m:mrow>\r\n                                             <m:mi>n</m:mi>\r\n                                          </m:mrow>\r\n                                       </m:msup>\r\n                                    </m:mrow>\r\n                                    <m:mo>)</m:mo>\r\n                                 </m:mrow>\r\n                              </m:mrow>\r\n                           </m:msub>\r\n                           <m:mo>=</m:mo>\r\n                           <m:mi>∞</m:mi>\r\n                           <m:mo>.</m:mo>\r\n                        </m:math>\r\n                        <jats:tex-math>\\hspace{0.1em}\\text{if}\\hspace{0.1em}\\hspace{0.33em}{T}_{\\max }\\lt \\infty ,\\hspace{1.0em}\\hspace{0.1em}\\text{then both}\\hspace{0.1em}\\hspace{0.33em}\\mathop{\\mathrm{limsup}}\\limits_{t\\nearrow {T}_{\\max }}\\Vert u\\left(\\cdot ,t){\\Vert }_{{L}^{\\infty }\\left({{\\mathbb{R}}}^{n})}=\\infty \\hspace{1.0em}\\hspace{0.1em}\\text{and}\\hspace{0.1em}\\hspace{1.0em}\\mathop{\\mathrm{limsup}}\\limits_{t\\nearrow {T}_{\\max }}\\Vert \\nabla v\\left(\\cdot ,t){\\Vert }_{{L}^{\\infty }\\left({{\\mathbb{R}}}^{n})}=\\infty .</jats:tex-math>\r\n                     </jats:alternatives>\r\n                  </jats:disp-formula> An exemplary application of this provides a result on global classical solvability in cases when <jats:inline-formula>\r\n                     <jats:alternatives>\r\n                        <jats:inline-graphic xmlns:xlink=\"http://www.w3.org/1999/xlink\" xlink:href=\"graphic/j_math-2022-0578_eq_016.png\"/>\r\n                        <m:math xmlns:m=\"http://www.w3.org/1998/Math/MathML\">\r\n                           <m:mo>∣</m:mo>\r\n                           <m:mi>S</m:mi>\r\n                           <m:mo>+</m:mo>\r\n                           <m:mn mathvariant=\"bold\">1</m:mn>\r\n                           <m:mo>∣</m:mo>\r\n                        </m:math>\r\n                        <jats:tex-math>| S+{\\bf{1}}| </jats:tex-math>\r\n                     </jats:alternatives>\r\n                  </jats:inline-formula> is sufficiently small, where <jats:inline-formula>\r\n                     <jats:alternatives>\r\n                        <jats:inline-graphic xmlns:xlink=\"http://www.w3.org/1999/xlink\" xlink:href=\"graphic/j_math-2022-0578_eq_017.png\"/>\r\n                        <m:math xmlns:m=\"http://www.w3.org/1998/Math/MathML\">\r\n                           <m:mn mathvariant=\"bold\">1</m:mn>\r\n                           <m:mo>=</m:mo>\r\n                           <m:mi mathvariant=\"normal\">diag</m:mi>\r\n                           <m:mspace width=\"0.33em\"/>\r\n                           <m:mrow>\r\n                              <m:mo>(</m:mo>\r\n                              <m:mrow>\r\n                                 <m:mn>1</m:mn>\r\n                                 <m:mo>,</m:mo>\r\n                                 <m:mrow>\r\n                                    <m:mo>…</m:mo>\r\n                                 </m:mrow>\r\n                                 <m:mo>,</m:mo>\r\n                                 <m:mn>1</m:mn>\r\n                              </m:mrow>\r\n                              <m:mo>)</m:mo>\r\n                           </m:mrow>\r\n                        </m:math>\r\n                        <jats:tex-math>{\\bf{1}}={\\rm{diag}}\\hspace{0.33em}\\left(1,\\ldots ,1)</jats:tex-math>\r\n                     </jats:alternatives>\r\n                  </jats:inline-formula>.</jats:p>"}],"type":"journal_article","publication":"Open Mathematics","language":[{"iso":"eng"}],"article_number":"20220578","user_id":"31496","_id":"63288"},{"language":[{"iso":"eng"}],"_id":"63287","user_id":"31496","abstract":[{"text":"<jats:title>Abstract</jats:title><jats:p>The Cauchy problem in <jats:inline-formula><jats:alternatives><jats:tex-math>$$\\mathbb {R}^n$$</jats:tex-math><mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\">\r\n                  <mml:msup>\r\n                    <mml:mrow>\r\n                      <mml:mi>R</mml:mi>\r\n                    </mml:mrow>\r\n                    <mml:mi>n</mml:mi>\r\n                  </mml:msup>\r\n                </mml:math></jats:alternatives></jats:inline-formula> is considered for the Keller–Segel system <jats:disp-formula><jats:alternatives><jats:tex-math>$$\\begin{aligned} \\left\\{ \\begin{array}{l}u_t = \\Delta u - \\nabla \\cdot (u\\nabla v), \\\\ 0 = \\Delta v + u, \\end{array} \\right. \\qquad \\qquad (\\star ) \\end{aligned}$$</jats:tex-math><mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\">\r\n                  <mml:mrow>\r\n                    <mml:mtable>\r\n                      <mml:mtr>\r\n                        <mml:mtd>\r\n                          <mml:mrow>\r\n                            <mml:mfenced>\r\n                              <mml:mrow>\r\n                                <mml:mtable>\r\n                                  <mml:mtr>\r\n                                    <mml:mtd>\r\n                                      <mml:mrow>\r\n                                        <mml:msub>\r\n                                          <mml:mi>u</mml:mi>\r\n                                          <mml:mi>t</mml:mi>\r\n                                        </mml:msub>\r\n                                        <mml:mo>=</mml:mo>\r\n                                        <mml:mi>Δ</mml:mi>\r\n                                        <mml:mi>u</mml:mi>\r\n                                        <mml:mo>-</mml:mo>\r\n                                        <mml:mi>∇</mml:mi>\r\n                                        <mml:mo>·</mml:mo>\r\n                                        <mml:mrow>\r\n                                          <mml:mo>(</mml:mo>\r\n                                          <mml:mi>u</mml:mi>\r\n                                          <mml:mi>∇</mml:mi>\r\n                                          <mml:mi>v</mml:mi>\r\n                                          <mml:mo>)</mml:mo>\r\n                                        </mml:mrow>\r\n                                        <mml:mo>,</mml:mo>\r\n                                      </mml:mrow>\r\n                                    </mml:mtd>\r\n                                  </mml:mtr>\r\n                                  <mml:mtr>\r\n                                    <mml:mtd>\r\n                                      <mml:mrow>\r\n                                        <mml:mrow/>\r\n                                        <mml:mn>0</mml:mn>\r\n                                        <mml:mo>=</mml:mo>\r\n                                        <mml:mi>Δ</mml:mi>\r\n                                        <mml:mi>v</mml:mi>\r\n                                        <mml:mo>+</mml:mo>\r\n                                        <mml:mi>u</mml:mi>\r\n                                        <mml:mo>,</mml:mo>\r\n                                      </mml:mrow>\r\n                                    </mml:mtd>\r\n                                  </mml:mtr>\r\n                                </mml:mtable>\r\n                              </mml:mrow>\r\n                            </mml:mfenced>\r\n                            <mml:mspace/>\r\n                            <mml:mspace/>\r\n                            <mml:mrow>\r\n                              <mml:mo>(</mml:mo>\r\n                              <mml:mo>⋆</mml:mo>\r\n                              <mml:mo>)</mml:mo>\r\n                            </mml:mrow>\r\n                          </mml:mrow>\r\n                        </mml:mtd>\r\n                      </mml:mtr>\r\n                    </mml:mtable>\r\n                  </mml:mrow>\r\n                </mml:math></jats:alternatives></jats:disp-formula>with a focus on a detailed description of behavior in the presence of nonnegative radially symmetric initial data <jats:inline-formula><jats:alternatives><jats:tex-math>$$u_0$$</jats:tex-math><mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\">\r\n                  <mml:msub>\r\n                    <mml:mi>u</mml:mi>\r\n                    <mml:mn>0</mml:mn>\r\n                  </mml:msub>\r\n                </mml:math></jats:alternatives></jats:inline-formula> with non-integrable behavior at spatial infinity. It is shown that if <jats:inline-formula><jats:alternatives><jats:tex-math>$$u_0$$</jats:tex-math><mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\">\r\n                  <mml:msub>\r\n                    <mml:mi>u</mml:mi>\r\n                    <mml:mn>0</mml:mn>\r\n                  </mml:msub>\r\n                </mml:math></jats:alternatives></jats:inline-formula> is continuous and bounded, then (<jats:inline-formula><jats:alternatives><jats:tex-math>$$\\star $$</jats:tex-math><mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\">\r\n                  <mml:mo>⋆</mml:mo>\r\n                </mml:math></jats:alternatives></jats:inline-formula>) admits a local-in-time classical solution, whereas if <jats:inline-formula><jats:alternatives><jats:tex-math>$$u_0(x)\\rightarrow +\\infty $$</jats:tex-math><mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\">\r\n                  <mml:mrow>\r\n                    <mml:msub>\r\n                      <mml:mi>u</mml:mi>\r\n                      <mml:mn>0</mml:mn>\r\n                    </mml:msub>\r\n                    <mml:mrow>\r\n                      <mml:mo>(</mml:mo>\r\n                      <mml:mi>x</mml:mi>\r\n                      <mml:mo>)</mml:mo>\r\n                    </mml:mrow>\r\n                    <mml:mo>→</mml:mo>\r\n                    <mml:mo>+</mml:mo>\r\n                    <mml:mi>∞</mml:mi>\r\n                  </mml:mrow>\r\n                </mml:math></jats:alternatives></jats:inline-formula> as <jats:inline-formula><jats:alternatives><jats:tex-math>$$|x|\\rightarrow \\infty $$</jats:tex-math><mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\">\r\n                  <mml:mrow>\r\n                    <mml:mo>|</mml:mo>\r\n                    <mml:mi>x</mml:mi>\r\n                    <mml:mo>|</mml:mo>\r\n                    <mml:mo>→</mml:mo>\r\n                    <mml:mi>∞</mml:mi>\r\n                  </mml:mrow>\r\n                </mml:math></jats:alternatives></jats:inline-formula>, then no such solution can be found. Furthermore, a collection of three sufficient criteria for either global existence or global nonexistence indicates that with respect to the occurrence of finite-time blow-up, spatial decay properties of an explicit singular steady state plays a critical role. In particular, this underlines that explosions in (<jats:inline-formula><jats:alternatives><jats:tex-math>$$\\star $$</jats:tex-math><mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\">\r\n                  <mml:mo>⋆</mml:mo>\r\n                </mml:math></jats:alternatives></jats:inline-formula>) need not be enforced by initially high concentrations near finite points, but can be exclusively due to large tails.</jats:p>","lang":"eng"}],"status":"public","type":"journal_article","publication":"Journal of Elliptic and Parabolic Equations","title":"Solutions to the Keller–Segel system with non-integrable behavior at spatial infinity","doi":"10.1007/s41808-023-00230-y","date_updated":"2025-12-18T20:07:25Z","publisher":"Springer Science and Business Media LLC","date_created":"2025-12-18T19:19:13Z","author":[{"first_name":"Michael","id":"31496","full_name":"Winkler, Michael","last_name":"Winkler"}],"volume":9,"year":"2023","citation":{"mla":"Winkler, Michael. “Solutions to the Keller–Segel System with Non-Integrable Behavior at Spatial Infinity.” <i>Journal of Elliptic and Parabolic Equations</i>, vol. 9, no. 2, Springer Science and Business Media LLC, 2023, pp. 919–59, doi:<a href=\"https://doi.org/10.1007/s41808-023-00230-y\">10.1007/s41808-023-00230-y</a>.","bibtex":"@article{Winkler_2023, title={Solutions to the Keller–Segel system with non-integrable behavior at spatial infinity}, volume={9}, DOI={<a href=\"https://doi.org/10.1007/s41808-023-00230-y\">10.1007/s41808-023-00230-y</a>}, number={2}, journal={Journal of Elliptic and Parabolic Equations}, publisher={Springer Science and Business Media LLC}, author={Winkler, Michael}, year={2023}, pages={919–959} }","short":"M. Winkler, Journal of Elliptic and Parabolic Equations 9 (2023) 919–959.","apa":"Winkler, M. (2023). Solutions to the Keller–Segel system with non-integrable behavior at spatial infinity. <i>Journal of Elliptic and Parabolic Equations</i>, <i>9</i>(2), 919–959. <a href=\"https://doi.org/10.1007/s41808-023-00230-y\">https://doi.org/10.1007/s41808-023-00230-y</a>","ieee":"M. Winkler, “Solutions to the Keller–Segel system with non-integrable behavior at spatial infinity,” <i>Journal of Elliptic and Parabolic Equations</i>, vol. 9, no. 2, pp. 919–959, 2023, doi: <a href=\"https://doi.org/10.1007/s41808-023-00230-y\">10.1007/s41808-023-00230-y</a>.","chicago":"Winkler, Michael. “Solutions to the Keller–Segel System with Non-Integrable Behavior at Spatial Infinity.” <i>Journal of Elliptic and Parabolic Equations</i> 9, no. 2 (2023): 919–59. <a href=\"https://doi.org/10.1007/s41808-023-00230-y\">https://doi.org/10.1007/s41808-023-00230-y</a>.","ama":"Winkler M. Solutions to the Keller–Segel system with non-integrable behavior at spatial infinity. <i>Journal of Elliptic and Parabolic Equations</i>. 2023;9(2):919-959. doi:<a href=\"https://doi.org/10.1007/s41808-023-00230-y\">10.1007/s41808-023-00230-y</a>"},"page":"919-959","intvolume":"         9","publication_status":"published","publication_identifier":{"issn":["2296-9020","2296-9039"]},"issue":"2"},{"type":"journal_article","publication":"Journal of Differential Equations","status":"public","user_id":"31496","_id":"63289","language":[{"iso":"eng"}],"publication_status":"published","publication_identifier":{"issn":["0022-0396"]},"citation":{"apa":"Winkler, M., &#38; Yokota, T. (2023). Avoiding critical mass phenomena by arbitrarily mild saturation of cross-diffusive fluxes in two-dimensional Keller-Segel-Navier-Stokes systems. <i>Journal of Differential Equations</i>, <i>374</i>, 1–28. <a href=\"https://doi.org/10.1016/j.jde.2023.07.029\">https://doi.org/10.1016/j.jde.2023.07.029</a>","short":"M. Winkler, T. Yokota, Journal of Differential Equations 374 (2023) 1–28.","mla":"Winkler, Michael, and Tomomi Yokota. “Avoiding Critical Mass Phenomena by Arbitrarily Mild Saturation of Cross-Diffusive Fluxes in Two-Dimensional Keller-Segel-Navier-Stokes Systems.” <i>Journal of Differential Equations</i>, vol. 374, Elsevier BV, 2023, pp. 1–28, doi:<a href=\"https://doi.org/10.1016/j.jde.2023.07.029\">10.1016/j.jde.2023.07.029</a>.","bibtex":"@article{Winkler_Yokota_2023, title={Avoiding critical mass phenomena by arbitrarily mild saturation of cross-diffusive fluxes in two-dimensional Keller-Segel-Navier-Stokes systems}, volume={374}, DOI={<a href=\"https://doi.org/10.1016/j.jde.2023.07.029\">10.1016/j.jde.2023.07.029</a>}, journal={Journal of Differential Equations}, publisher={Elsevier BV}, author={Winkler, Michael and Yokota, Tomomi}, year={2023}, pages={1–28} }","ama":"Winkler M, Yokota T. Avoiding critical mass phenomena by arbitrarily mild saturation of cross-diffusive fluxes in two-dimensional Keller-Segel-Navier-Stokes systems. <i>Journal of Differential Equations</i>. 2023;374:1-28. doi:<a href=\"https://doi.org/10.1016/j.jde.2023.07.029\">10.1016/j.jde.2023.07.029</a>","chicago":"Winkler, Michael, and Tomomi Yokota. “Avoiding Critical Mass Phenomena by Arbitrarily Mild Saturation of Cross-Diffusive Fluxes in Two-Dimensional Keller-Segel-Navier-Stokes Systems.” <i>Journal of Differential Equations</i> 374 (2023): 1–28. <a href=\"https://doi.org/10.1016/j.jde.2023.07.029\">https://doi.org/10.1016/j.jde.2023.07.029</a>.","ieee":"M. Winkler and T. Yokota, “Avoiding critical mass phenomena by arbitrarily mild saturation of cross-diffusive fluxes in two-dimensional Keller-Segel-Navier-Stokes systems,” <i>Journal of Differential Equations</i>, vol. 374, pp. 1–28, 2023, doi: <a href=\"https://doi.org/10.1016/j.jde.2023.07.029\">10.1016/j.jde.2023.07.029</a>."},"intvolume":"       374","page":"1-28","year":"2023","author":[{"first_name":"Michael","last_name":"Winkler","id":"31496","full_name":"Winkler, Michael"},{"first_name":"Tomomi","full_name":"Yokota, Tomomi","last_name":"Yokota"}],"date_created":"2025-12-18T19:19:57Z","volume":374,"date_updated":"2025-12-18T20:07:42Z","publisher":"Elsevier BV","doi":"10.1016/j.jde.2023.07.029","title":"Avoiding critical mass phenomena by arbitrarily mild saturation of cross-diffusive fluxes in two-dimensional Keller-Segel-Navier-Stokes systems"},{"user_id":"31496","_id":"63271","language":[{"iso":"eng"}],"publication":"Mathematical Models and Methods in Applied Sciences","type":"journal_article","status":"public","abstract":[{"lang":"eng","text":"<jats:p> As a simplified version of a three-component taxis cascade model accounting for different migration strategies of two population groups in search of food, a two-component nonlocal nutrient taxis system is considered in a two-dimensional bounded convex domain with smooth boundary. For any given conveniently regular and biologically meaningful initial data, smallness conditions on the prescribed resource growth and on the initial nutrient signal concentration are identified which ensure the global existence of a global classical solution to the corresponding no-flux initial-boundary value problem. Moreover, under additional assumptions on the food production source these solutions are shown to be bounded, and to stabilize toward semi-trivial equilibria in the large time limit, respectively. </jats:p>"}],"volume":33,"author":[{"first_name":"Youshan","last_name":"Tao","full_name":"Tao, Youshan"},{"last_name":"Winkler","id":"31496","full_name":"Winkler, Michael","first_name":"Michael"}],"date_created":"2025-12-18T19:12:35Z","publisher":"World Scientific Pub Co Pte Ltd","date_updated":"2025-12-18T20:10:55Z","doi":"10.1142/s0218202523500045","title":"Small-signal solutions to a nonlocal cross-diffusion model for interaction of scroungers with rapidly diffusing foragers","issue":"01","publication_identifier":{"issn":["0218-2025","1793-6314"]},"publication_status":"published","page":"103-138","intvolume":"        33","citation":{"mla":"Tao, Youshan, and Michael Winkler. “Small-Signal Solutions to a Nonlocal Cross-Diffusion Model for Interaction of Scroungers with Rapidly Diffusing Foragers.” <i>Mathematical Models and Methods in Applied Sciences</i>, vol. 33, no. 01, World Scientific Pub Co Pte Ltd, 2023, pp. 103–38, doi:<a href=\"https://doi.org/10.1142/s0218202523500045\">10.1142/s0218202523500045</a>.","bibtex":"@article{Tao_Winkler_2023, title={Small-signal solutions to a nonlocal cross-diffusion model for interaction of scroungers with rapidly diffusing foragers}, volume={33}, DOI={<a href=\"https://doi.org/10.1142/s0218202523500045\">10.1142/s0218202523500045</a>}, number={01}, journal={Mathematical Models and Methods in Applied Sciences}, publisher={World Scientific Pub Co Pte Ltd}, author={Tao, Youshan and Winkler, Michael}, year={2023}, pages={103–138} }","short":"Y. Tao, M. Winkler, Mathematical Models and Methods in Applied Sciences 33 (2023) 103–138.","apa":"Tao, Y., &#38; Winkler, M. (2023). Small-signal solutions to a nonlocal cross-diffusion model for interaction of scroungers with rapidly diffusing foragers. <i>Mathematical Models and Methods in Applied Sciences</i>, <i>33</i>(01), 103–138. <a href=\"https://doi.org/10.1142/s0218202523500045\">https://doi.org/10.1142/s0218202523500045</a>","ieee":"Y. Tao and M. Winkler, “Small-signal solutions to a nonlocal cross-diffusion model for interaction of scroungers with rapidly diffusing foragers,” <i>Mathematical Models and Methods in Applied Sciences</i>, vol. 33, no. 01, pp. 103–138, 2023, doi: <a href=\"https://doi.org/10.1142/s0218202523500045\">10.1142/s0218202523500045</a>.","chicago":"Tao, Youshan, and Michael Winkler. “Small-Signal Solutions to a Nonlocal Cross-Diffusion Model for Interaction of Scroungers with Rapidly Diffusing Foragers.” <i>Mathematical Models and Methods in Applied Sciences</i> 33, no. 01 (2023): 103–38. <a href=\"https://doi.org/10.1142/s0218202523500045\">https://doi.org/10.1142/s0218202523500045</a>.","ama":"Tao Y, Winkler M. Small-signal solutions to a nonlocal cross-diffusion model for interaction of scroungers with rapidly diffusing foragers. <i>Mathematical Models and Methods in Applied Sciences</i>. 2023;33(01):103-138. doi:<a href=\"https://doi.org/10.1142/s0218202523500045\">10.1142/s0218202523500045</a>"},"year":"2023"},{"year":"2023","intvolume":"        62","citation":{"apa":"Ahn, J., &#38; Winkler, M. (2023). A critical exponent for blow-up in a two-dimensional chemotaxis-consumption system. <i>Calculus of Variations and Partial Differential Equations</i>, <i>62</i>(6), Article 180. <a href=\"https://doi.org/10.1007/s00526-023-02523-5\">https://doi.org/10.1007/s00526-023-02523-5</a>","mla":"Ahn, Jaewook, and Michael Winkler. “A Critical Exponent for Blow-up in a Two-Dimensional Chemotaxis-Consumption System.” <i>Calculus of Variations and Partial Differential Equations</i>, vol. 62, no. 6, 180, Springer Science and Business Media LLC, 2023, doi:<a href=\"https://doi.org/10.1007/s00526-023-02523-5\">10.1007/s00526-023-02523-5</a>.","bibtex":"@article{Ahn_Winkler_2023, title={A critical exponent for blow-up in a two-dimensional chemotaxis-consumption system}, volume={62}, DOI={<a href=\"https://doi.org/10.1007/s00526-023-02523-5\">10.1007/s00526-023-02523-5</a>}, number={6180}, journal={Calculus of Variations and Partial Differential Equations}, publisher={Springer Science and Business Media LLC}, author={Ahn, Jaewook and Winkler, Michael}, year={2023} }","short":"J. Ahn, M. Winkler, Calculus of Variations and Partial Differential Equations 62 (2023).","chicago":"Ahn, Jaewook, and Michael Winkler. “A Critical Exponent for Blow-up in a Two-Dimensional Chemotaxis-Consumption System.” <i>Calculus of Variations and Partial Differential Equations</i> 62, no. 6 (2023). <a href=\"https://doi.org/10.1007/s00526-023-02523-5\">https://doi.org/10.1007/s00526-023-02523-5</a>.","ieee":"J. Ahn and M. Winkler, “A critical exponent for blow-up in a two-dimensional chemotaxis-consumption system,” <i>Calculus of Variations and Partial Differential Equations</i>, vol. 62, no. 6, Art. no. 180, 2023, doi: <a href=\"https://doi.org/10.1007/s00526-023-02523-5\">10.1007/s00526-023-02523-5</a>.","ama":"Ahn J, Winkler M. A critical exponent for blow-up in a two-dimensional chemotaxis-consumption system. <i>Calculus of Variations and Partial Differential Equations</i>. 2023;62(6). doi:<a href=\"https://doi.org/10.1007/s00526-023-02523-5\">10.1007/s00526-023-02523-5</a>"},"publication_identifier":{"issn":["0944-2669","1432-0835"]},"publication_status":"published","issue":"6","title":"A critical exponent for blow-up in a two-dimensional chemotaxis-consumption system","doi":"10.1007/s00526-023-02523-5","publisher":"Springer Science and Business Media LLC","date_updated":"2025-12-18T20:10:21Z","volume":62,"author":[{"first_name":"Jaewook","last_name":"Ahn","full_name":"Ahn, Jaewook"},{"first_name":"Michael","id":"31496","full_name":"Winkler, Michael","last_name":"Winkler"}],"date_created":"2025-12-18T19:10:55Z","status":"public","publication":"Calculus of Variations and Partial Differential Equations","type":"journal_article","article_number":"180","language":[{"iso":"eng"}],"_id":"63267","user_id":"31496"},{"page":"299-322","intvolume":"        21","citation":{"mla":"Li, Genglin, and Michael Winkler. “Relaxation in a Keller-Segel-Consumption System Involving Signal-Dependent Motilities.” <i>Communications in Mathematical Sciences</i>, vol. 21, no. 2, International Press of Boston, 2023, pp. 299–322, doi:<a href=\"https://doi.org/10.4310/cms.2023.v21.n2.a1\">10.4310/cms.2023.v21.n2.a1</a>.","bibtex":"@article{Li_Winkler_2023, title={Relaxation in a Keller-Segel-consumption system involving signal-dependent motilities}, volume={21}, DOI={<a href=\"https://doi.org/10.4310/cms.2023.v21.n2.a1\">10.4310/cms.2023.v21.n2.a1</a>}, number={2}, journal={Communications in Mathematical Sciences}, publisher={International Press of Boston}, author={Li, Genglin and Winkler, Michael}, year={2023}, pages={299–322} }","short":"G. Li, M. Winkler, Communications in Mathematical Sciences 21 (2023) 299–322.","apa":"Li, G., &#38; Winkler, M. (2023). Relaxation in a Keller-Segel-consumption system involving signal-dependent motilities. <i>Communications in Mathematical Sciences</i>, <i>21</i>(2), 299–322. <a href=\"https://doi.org/10.4310/cms.2023.v21.n2.a1\">https://doi.org/10.4310/cms.2023.v21.n2.a1</a>","ama":"Li G, Winkler M. Relaxation in a Keller-Segel-consumption system involving signal-dependent motilities. <i>Communications in Mathematical Sciences</i>. 2023;21(2):299-322. doi:<a href=\"https://doi.org/10.4310/cms.2023.v21.n2.a1\">10.4310/cms.2023.v21.n2.a1</a>","ieee":"G. Li and M. Winkler, “Relaxation in a Keller-Segel-consumption system involving signal-dependent motilities,” <i>Communications in Mathematical Sciences</i>, vol. 21, no. 2, pp. 299–322, 2023, doi: <a href=\"https://doi.org/10.4310/cms.2023.v21.n2.a1\">10.4310/cms.2023.v21.n2.a1</a>.","chicago":"Li, Genglin, and Michael Winkler. “Relaxation in a Keller-Segel-Consumption System Involving Signal-Dependent Motilities.” <i>Communications in Mathematical Sciences</i> 21, no. 2 (2023): 299–322. <a href=\"https://doi.org/10.4310/cms.2023.v21.n2.a1\">https://doi.org/10.4310/cms.2023.v21.n2.a1</a>."},"year":"2023","issue":"2","publication_identifier":{"issn":["1539-6746","1945-0796"]},"publication_status":"published","doi":"10.4310/cms.2023.v21.n2.a1","title":"Relaxation in a Keller-Segel-consumption system involving signal-dependent motilities","volume":21,"date_created":"2025-12-18T19:12:01Z","author":[{"first_name":"Genglin","full_name":"Li, Genglin","last_name":"Li"},{"full_name":"Winkler, Michael","id":"31496","last_name":"Winkler","first_name":"Michael"}],"publisher":"International Press of Boston","date_updated":"2025-12-18T20:10:48Z","status":"public","publication":"Communications in Mathematical Sciences","type":"journal_article","language":[{"iso":"eng"}],"user_id":"31496","_id":"63270"},{"publication_identifier":{"issn":["1468-1218"]},"publication_status":"published","intvolume":"        71","citation":{"apa":"Tao, Y., &#38; Winkler, M. (2023). Analysis of a chemotaxis-SIS epidemic model with unbounded infection force. <i>Nonlinear Analysis: Real World Applications</i>, <i>71</i>, Article 103820. <a href=\"https://doi.org/10.1016/j.nonrwa.2022.103820\">https://doi.org/10.1016/j.nonrwa.2022.103820</a>","short":"Y. Tao, M. Winkler, Nonlinear Analysis: Real World Applications 71 (2023).","bibtex":"@article{Tao_Winkler_2023, title={Analysis of a chemotaxis-SIS epidemic model with unbounded infection force}, volume={71}, DOI={<a href=\"https://doi.org/10.1016/j.nonrwa.2022.103820\">10.1016/j.nonrwa.2022.103820</a>}, number={103820}, journal={Nonlinear Analysis: Real World Applications}, publisher={Elsevier BV}, author={Tao, Youshan and Winkler, Michael}, year={2023} }","mla":"Tao, Youshan, and Michael Winkler. “Analysis of a Chemotaxis-SIS Epidemic Model with Unbounded Infection Force.” <i>Nonlinear Analysis: Real World Applications</i>, vol. 71, 103820, Elsevier BV, 2023, doi:<a href=\"https://doi.org/10.1016/j.nonrwa.2022.103820\">10.1016/j.nonrwa.2022.103820</a>.","chicago":"Tao, Youshan, and Michael Winkler. “Analysis of a Chemotaxis-SIS Epidemic Model with Unbounded Infection Force.” <i>Nonlinear Analysis: Real World Applications</i> 71 (2023). <a href=\"https://doi.org/10.1016/j.nonrwa.2022.103820\">https://doi.org/10.1016/j.nonrwa.2022.103820</a>.","ieee":"Y. Tao and M. Winkler, “Analysis of a chemotaxis-SIS epidemic model with unbounded infection force,” <i>Nonlinear Analysis: Real World Applications</i>, vol. 71, Art. no. 103820, 2023, doi: <a href=\"https://doi.org/10.1016/j.nonrwa.2022.103820\">10.1016/j.nonrwa.2022.103820</a>.","ama":"Tao Y, Winkler M. Analysis of a chemotaxis-SIS epidemic model with unbounded infection force. <i>Nonlinear Analysis: Real World Applications</i>. 2023;71. doi:<a href=\"https://doi.org/10.1016/j.nonrwa.2022.103820\">10.1016/j.nonrwa.2022.103820</a>"},"year":"2023","volume":71,"author":[{"full_name":"Tao, Youshan","last_name":"Tao","first_name":"Youshan"},{"full_name":"Winkler, Michael","id":"31496","last_name":"Winkler","first_name":"Michael"}],"date_created":"2025-12-18T19:13:40Z","date_updated":"2025-12-18T20:11:09Z","publisher":"Elsevier BV","doi":"10.1016/j.nonrwa.2022.103820","title":"Analysis of a chemotaxis-SIS epidemic model with unbounded infection force","publication":"Nonlinear Analysis: Real World Applications","type":"journal_article","status":"public","user_id":"31496","_id":"63273","language":[{"iso":"eng"}],"article_number":"103820"},{"status":"public","abstract":[{"text":"<jats:title>Abstract</jats:title><jats:p>A no-flux initial-boundary value problem for<jats:disp-formula id=\"nonace22eueqn1\"><jats:tex-math/><mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" display=\"block\" overflow=\"scroll\"><mml:mtable columnalign=\"right left right left right left right left right left right left\" columnspacing=\"0.2777777777777778em 2em 0.2777777777777778em 2em 0.2777777777777778em 2em 0.2777777777777778em 2em 0.2777777777777778em 2em 0.2777777777777778em\" rowspacing=\"3pt\"><mml:mtr><mml:mtd><mml:mfenced close=\"\" open=\"{\"><mml:mtable columnalign=\"left left\" columnspacing=\"1em\" rowspacing=\".1em\"><mml:mtr><mml:mtd><mml:msub><mml:mi>u</mml:mi><mml:mi>t</mml:mi></mml:msub><mml:mo>=</mml:mo><mml:mi mathvariant=\"normal\">Δ</mml:mi><mml:mrow><mml:mo maxsize=\"1.2em\" minsize=\"1.2em\">(</mml:mo></mml:mrow><mml:mi>u</mml:mi><mml:mi>ϕ</mml:mi><mml:mo stretchy=\"false\">(</mml:mo><mml:mi>v</mml:mi><mml:mo stretchy=\"false\">)</mml:mo><mml:mrow><mml:mo maxsize=\"1.2em\" minsize=\"1.2em\">)</mml:mo></mml:mrow><mml:mo>,</mml:mo></mml:mtd></mml:mtr><mml:mtr><mml:mtd><mml:msub><mml:mi>v</mml:mi><mml:mi>t</mml:mi></mml:msub><mml:mo>=</mml:mo><mml:mi mathvariant=\"normal\">Δ</mml:mi><mml:mi>v</mml:mi><mml:mo>−</mml:mo><mml:mi>u</mml:mi><mml:mi>v</mml:mi><mml:mo>,</mml:mo></mml:mtd></mml:mtr></mml:mtable></mml:mfenced><mml:mo stretchy=\"false\">(</mml:mo><mml:mo>⋆</mml:mo><mml:mo stretchy=\"false\">)</mml:mo></mml:mtd></mml:mtr></mml:mtable></mml:math><jats:graphic xmlns:xlink=\"http://www.w3.org/1999/xlink\" orientation=\"portrait\" position=\"float\" xlink:href=\"nonace22eueqn1.gif\" xlink:type=\"simple\"/></jats:disp-formula>is considered in smoothly bounded subdomains of<jats:inline-formula><jats:tex-math/><mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" overflow=\"scroll\"><mml:msup><mml:mrow><mml:mi mathvariant=\"double-struck\">R</mml:mi></mml:mrow><mml:mi>n</mml:mi></mml:msup></mml:math><jats:inline-graphic xmlns:xlink=\"http://www.w3.org/1999/xlink\" xlink:href=\"nonace22eieqn1.gif\" xlink:type=\"simple\"/></jats:inline-formula>with<jats:inline-formula><jats:tex-math/><mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" overflow=\"scroll\"><mml:mi>n</mml:mi><mml:mo>⩾</mml:mo><mml:mn>1</mml:mn></mml:math><jats:inline-graphic xmlns:xlink=\"http://www.w3.org/1999/xlink\" xlink:href=\"nonace22eieqn2.gif\" xlink:type=\"simple\"/></jats:inline-formula>and suitably regular initial data, where<jats:italic>φ</jats:italic>is assumed to reflect algebraic type cross-degeneracies by sharing essential features with<jats:inline-formula><jats:tex-math/><mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" overflow=\"scroll\"><mml:mn>0</mml:mn><mml:mo>⩽</mml:mo><mml:mi>ξ</mml:mi><mml:mo stretchy=\"false\">↦</mml:mo><mml:msup><mml:mi>ξ</mml:mi><mml:mi>α</mml:mi></mml:msup></mml:math><jats:inline-graphic xmlns:xlink=\"http://www.w3.org/1999/xlink\" xlink:href=\"nonace22eieqn3.gif\" xlink:type=\"simple\"/></jats:inline-formula>for some<jats:inline-formula><jats:tex-math/><mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" overflow=\"scroll\"><mml:mi>α</mml:mi><mml:mo>⩾</mml:mo><mml:mn>1</mml:mn></mml:math><jats:inline-graphic xmlns:xlink=\"http://www.w3.org/1999/xlink\" xlink:href=\"nonace22eieqn4.gif\" xlink:type=\"simple\"/></jats:inline-formula>. Based on the discovery of a gradient structure acting at regularity levels mild enough to be consistent with degeneracy-driven limitations of smoothness information, in this general setting it is shown that with some measurable limit profile<jats:inline-formula><jats:tex-math/><mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" overflow=\"scroll\"><mml:msub><mml:mi>u</mml:mi><mml:mi mathvariant=\"normal\">∞</mml:mi></mml:msub></mml:math><jats:inline-graphic xmlns:xlink=\"http://www.w3.org/1999/xlink\" xlink:href=\"nonace22eieqn5.gif\" xlink:type=\"simple\"/></jats:inline-formula>and some null set<jats:inline-formula><jats:tex-math/><mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" overflow=\"scroll\"><mml:msub><mml:mi>N</mml:mi><mml:mo>⋆</mml:mo></mml:msub><mml:mo>⊂</mml:mo><mml:mo stretchy=\"false\">(</mml:mo><mml:mn>0</mml:mn><mml:mo>,</mml:mo><mml:mi mathvariant=\"normal\">∞</mml:mi><mml:mo stretchy=\"false\">)</mml:mo></mml:math><jats:inline-graphic xmlns:xlink=\"http://www.w3.org/1999/xlink\" xlink:href=\"nonace22eieqn6.gif\" xlink:type=\"simple\"/></jats:inline-formula>, a corresponding global generalized solution, known to exist according to recent literature, satisfies<jats:disp-formula id=\"nonace22eueqn2\"><jats:tex-math/><mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" display=\"block\" overflow=\"scroll\"><mml:mtable columnalign=\"right left right left right left right left right left right left\" columnspacing=\"0.2777777777777778em 2em 0.2777777777777778em 2em 0.2777777777777778em 2em 0.2777777777777778em 2em 0.2777777777777778em 2em 0.2777777777777778em\" rowspacing=\"3pt\"><mml:mtr><mml:mtd><mml:mi>ρ</mml:mi><mml:mo stretchy=\"false\">(</mml:mo><mml:mi>u</mml:mi><mml:mo stretchy=\"false\">(</mml:mo><mml:mo>⋅</mml:mo><mml:mo>,</mml:mo><mml:mi>t</mml:mi><mml:mo stretchy=\"false\">)</mml:mo><mml:mo stretchy=\"false\">)</mml:mo><mml:mrow><mml:mover><mml:mrow><mml:mo stretchy=\"false\">⇀</mml:mo></mml:mrow><mml:mrow><mml:mo>⋆</mml:mo></mml:mrow></mml:mover></mml:mrow><mml:mi>ρ</mml:mi><mml:mo stretchy=\"false\">(</mml:mo><mml:msub><mml:mi>u</mml:mi><mml:mi mathvariant=\"normal\">∞</mml:mi></mml:msub><mml:mo stretchy=\"false\">)</mml:mo><mml:mrow><mml:mtext>in </mml:mtext></mml:mrow><mml:msup><mml:mi>L</mml:mi><mml:mi mathvariant=\"normal\">∞</mml:mi></mml:msup><mml:mo stretchy=\"false\">(</mml:mo><mml:mi mathvariant=\"normal\">Ω</mml:mi><mml:mo stretchy=\"false\">)</mml:mo><mml:mrow><mml:mtext> and </mml:mtext></mml:mrow><mml:mi>v</mml:mi><mml:mo stretchy=\"false\">(</mml:mo><mml:mo>⋅</mml:mo><mml:mo>,</mml:mo><mml:mi>t</mml:mi><mml:mo stretchy=\"false\">)</mml:mo><mml:mo stretchy=\"false\">→</mml:mo><mml:mn>0</mml:mn><mml:mrow><mml:mtext>in </mml:mtext></mml:mrow><mml:msup><mml:mi>L</mml:mi><mml:mi>p</mml:mi></mml:msup><mml:mo stretchy=\"false\">(</mml:mo><mml:mi mathvariant=\"normal\">Ω</mml:mi><mml:mo stretchy=\"false\">)</mml:mo><mml:mrow><mml:mtext>for all </mml:mtext></mml:mrow><mml:mi>p</mml:mi><mml:mo>⩾</mml:mo><mml:mn>1</mml:mn></mml:mtd></mml:mtr></mml:mtable></mml:math><jats:graphic xmlns:xlink=\"http://www.w3.org/1999/xlink\" orientation=\"portrait\" position=\"float\" xlink:href=\"nonace22eueqn2.gif\" xlink:type=\"simple\"/></jats:disp-formula>as<jats:inline-formula><jats:tex-math/><mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" overflow=\"scroll\"><mml:mo stretchy=\"false\">(</mml:mo><mml:mn>0</mml:mn><mml:mo>,</mml:mo><mml:mi mathvariant=\"normal\">∞</mml:mi><mml:mo stretchy=\"false\">)</mml:mo><mml:mo>∖</mml:mo><mml:msub><mml:mi>N</mml:mi><mml:mo>⋆</mml:mo></mml:msub><mml:mo>∋</mml:mo><mml:mi>t</mml:mi><mml:mo stretchy=\"false\">→</mml:mo><mml:mi mathvariant=\"normal\">∞</mml:mi></mml:math><jats:inline-graphic xmlns:xlink=\"http://www.w3.org/1999/xlink\" xlink:href=\"nonace22eieqn7.gif\" xlink:type=\"simple\"/></jats:inline-formula>, where<jats:inline-formula><jats:tex-math/><mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" overflow=\"scroll\"><mml:mi>ρ</mml:mi><mml:mo stretchy=\"false\">(</mml:mo><mml:mi>ξ</mml:mi><mml:mo stretchy=\"false\">)</mml:mo><mml:mo>:=</mml:mo><mml:mfrac><mml:msup><mml:mi>ξ</mml:mi><mml:mn>2</mml:mn></mml:msup><mml:mrow><mml:mo stretchy=\"false\">(</mml:mo><mml:mi>ξ</mml:mi><mml:mo>+</mml:mo><mml:mn>1</mml:mn><mml:mrow><mml:msup><mml:mo stretchy=\"false\">)</mml:mo><mml:mn>2</mml:mn></mml:msup></mml:mrow></mml:mrow></mml:mfrac></mml:math><jats:inline-graphic xmlns:xlink=\"http://www.w3.org/1999/xlink\" xlink:href=\"nonace22eieqn8.gif\" xlink:type=\"simple\"/></jats:inline-formula>,<jats:inline-formula><jats:tex-math/><mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" overflow=\"scroll\"><mml:mi>ξ</mml:mi><mml:mo>⩾</mml:mo><mml:mn>0</mml:mn></mml:math><jats:inline-graphic xmlns:xlink=\"http://www.w3.org/1999/xlink\" xlink:href=\"nonace22eieqn9.gif\" xlink:type=\"simple\"/></jats:inline-formula>. In the particular case when either<jats:inline-formula><jats:tex-math/><mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" overflow=\"scroll\"><mml:mi>n</mml:mi><mml:mo>⩽</mml:mo><mml:mn>2</mml:mn></mml:math><jats:inline-graphic xmlns:xlink=\"http://www.w3.org/1999/xlink\" xlink:href=\"nonace22eieqn10.gif\" xlink:type=\"simple\"/></jats:inline-formula>and<jats:inline-formula><jats:tex-math/><mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" overflow=\"scroll\"><mml:mi>α</mml:mi><mml:mo>⩾</mml:mo><mml:mn>1</mml:mn></mml:math><jats:inline-graphic xmlns:xlink=\"http://www.w3.org/1999/xlink\" xlink:href=\"nonace22eieqn11.gif\" xlink:type=\"simple\"/></jats:inline-formula>is arbitrary, or<jats:inline-formula><jats:tex-math/><mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" overflow=\"scroll\"><mml:mi>n</mml:mi><mml:mo>⩾</mml:mo><mml:mn>1</mml:mn></mml:math><jats:inline-graphic xmlns:xlink=\"http://www.w3.org/1999/xlink\" xlink:href=\"nonace22eieqn12.gif\" xlink:type=\"simple\"/></jats:inline-formula>and<jats:inline-formula><jats:tex-math/><mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" overflow=\"scroll\"><mml:mi>α</mml:mi><mml:mo>∈</mml:mo><mml:mo stretchy=\"false\">[</mml:mo><mml:mn>1</mml:mn><mml:mo>,</mml:mo><mml:mn>2</mml:mn><mml:mo stretchy=\"false\">]</mml:mo></mml:math><jats:inline-graphic xmlns:xlink=\"http://www.w3.org/1999/xlink\" xlink:href=\"nonace22eieqn13.gif\" xlink:type=\"simple\"/></jats:inline-formula>, additional quantitative information on the deviation of trajectories from the initial data is derived. This is found to imply a lower estimate for the spatial oscillation of the respective first components throughout evolution, and moreover this is seen to entail that each of the uncountably many steady states<jats:inline-formula><jats:tex-math/><mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" overflow=\"scroll\"><mml:mo stretchy=\"false\">(</mml:mo><mml:msub><mml:mi>u</mml:mi><mml:mo>⋆</mml:mo></mml:msub><mml:mo>,</mml:mo><mml:mn>0</mml:mn><mml:mo stretchy=\"false\">)</mml:mo></mml:math><jats:inline-graphic xmlns:xlink=\"http://www.w3.org/1999/xlink\" xlink:href=\"nonace22eieqn14.gif\" xlink:type=\"simple\"/></jats:inline-formula>of (<jats:inline-formula><jats:tex-math/><mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\" overflow=\"scroll\"><mml:mo>⋆</mml:mo></mml:math><jats:inline-graphic xmlns:xlink=\"http://www.w3.org/1999/xlink\" xlink:href=\"nonace22eieqn15.gif\" xlink:type=\"simple\"/></jats:inline-formula>) is stable with respect to a suitably chosen norm topology.</jats:p>","lang":"eng"}],"publication":"Nonlinearity","type":"journal_article","language":[{"iso":"eng"}],"user_id":"31496","_id":"63281","page":"4438-4469","intvolume":"        36","citation":{"ieee":"M. Winkler, “Stabilization despite pervasive strong cross-degeneracies in a nonlinear diffusion model for migration–consumption interaction,” <i>Nonlinearity</i>, vol. 36, no. 8, pp. 4438–4469, 2023, doi: <a href=\"https://doi.org/10.1088/1361-6544/ace22e\">10.1088/1361-6544/ace22e</a>.","chicago":"Winkler, Michael. “Stabilization despite Pervasive Strong Cross-Degeneracies in a Nonlinear Diffusion Model for Migration–Consumption Interaction.” <i>Nonlinearity</i> 36, no. 8 (2023): 4438–69. <a href=\"https://doi.org/10.1088/1361-6544/ace22e\">https://doi.org/10.1088/1361-6544/ace22e</a>.","ama":"Winkler M. Stabilization despite pervasive strong cross-degeneracies in a nonlinear diffusion model for migration–consumption interaction. <i>Nonlinearity</i>. 2023;36(8):4438-4469. doi:<a href=\"https://doi.org/10.1088/1361-6544/ace22e\">10.1088/1361-6544/ace22e</a>","mla":"Winkler, Michael. “Stabilization despite Pervasive Strong Cross-Degeneracies in a Nonlinear Diffusion Model for Migration–Consumption Interaction.” <i>Nonlinearity</i>, vol. 36, no. 8, IOP Publishing, 2023, pp. 4438–69, doi:<a href=\"https://doi.org/10.1088/1361-6544/ace22e\">10.1088/1361-6544/ace22e</a>.","short":"M. Winkler, Nonlinearity 36 (2023) 4438–4469.","bibtex":"@article{Winkler_2023, title={Stabilization despite pervasive strong cross-degeneracies in a nonlinear diffusion model for migration–consumption interaction}, volume={36}, DOI={<a href=\"https://doi.org/10.1088/1361-6544/ace22e\">10.1088/1361-6544/ace22e</a>}, number={8}, journal={Nonlinearity}, publisher={IOP Publishing}, author={Winkler, Michael}, year={2023}, pages={4438–4469} }","apa":"Winkler, M. (2023). Stabilization despite pervasive strong cross-degeneracies in a nonlinear diffusion model for migration–consumption interaction. <i>Nonlinearity</i>, <i>36</i>(8), 4438–4469. <a href=\"https://doi.org/10.1088/1361-6544/ace22e\">https://doi.org/10.1088/1361-6544/ace22e</a>"},"year":"2023","issue":"8","publication_identifier":{"issn":["0951-7715","1361-6544"]},"publication_status":"published","doi":"10.1088/1361-6544/ace22e","title":"Stabilization despite pervasive strong cross-degeneracies in a nonlinear diffusion model for migration–consumption interaction","volume":36,"author":[{"full_name":"Winkler, Michael","id":"31496","last_name":"Winkler","first_name":"Michael"}],"date_created":"2025-12-18T19:17:01Z","date_updated":"2025-12-18T20:12:06Z","publisher":"IOP Publishing"},{"publication":"Mathematical Methods in the Applied Sciences","type":"journal_article","abstract":[{"lang":"eng","text":"<jats:p>The chemotaxis‐Stokes system \r\n<jats:disp-formula>\r\n\r\n</jats:disp-formula>is considered along with homogeneous boundary conditions of no‐flux type for \r\n and \r\n, and of Dirichlet type for \r\n, in a smoothly bounded domain \r\n. Under the assumption that \r\n, that \r\n is bounded on each of the intervals \r\n with arbitrary \r\n, and that with some \r\n and \r\n, we have \r\n<jats:disp-formula>\r\n\r\n</jats:disp-formula>It is shown that for any suitably regular initial data, an associated initial‐boundary value problem admits a global very weak solution.</jats:p>"}],"status":"public","_id":"63276","user_id":"31496","language":[{"iso":"eng"}],"publication_identifier":{"issn":["0170-4214","1099-1476"]},"publication_status":"published","issue":"14","year":"2023","page":"15667-15683","intvolume":"        46","citation":{"ieee":"Y. Tian and M. Winkler, “Keller–Segel–Stokes interaction involving signal‐dependent motilities,” <i>Mathematical Methods in the Applied Sciences</i>, vol. 46, no. 14, pp. 15667–15683, 2023, doi: <a href=\"https://doi.org/10.1002/mma.9419\">10.1002/mma.9419</a>.","chicago":"Tian, Yu, and Michael Winkler. “Keller–Segel–Stokes Interaction Involving Signal‐dependent Motilities.” <i>Mathematical Methods in the Applied Sciences</i> 46, no. 14 (2023): 15667–83. <a href=\"https://doi.org/10.1002/mma.9419\">https://doi.org/10.1002/mma.9419</a>.","ama":"Tian Y, Winkler M. Keller–Segel–Stokes interaction involving signal‐dependent motilities. <i>Mathematical Methods in the Applied Sciences</i>. 2023;46(14):15667-15683. doi:<a href=\"https://doi.org/10.1002/mma.9419\">10.1002/mma.9419</a>","apa":"Tian, Y., &#38; Winkler, M. (2023). Keller–Segel–Stokes interaction involving signal‐dependent motilities. <i>Mathematical Methods in the Applied Sciences</i>, <i>46</i>(14), 15667–15683. <a href=\"https://doi.org/10.1002/mma.9419\">https://doi.org/10.1002/mma.9419</a>","bibtex":"@article{Tian_Winkler_2023, title={Keller–Segel–Stokes interaction involving signal‐dependent motilities}, volume={46}, DOI={<a href=\"https://doi.org/10.1002/mma.9419\">10.1002/mma.9419</a>}, number={14}, journal={Mathematical Methods in the Applied Sciences}, publisher={Wiley}, author={Tian, Yu and Winkler, Michael}, year={2023}, pages={15667–15683} }","short":"Y. Tian, M. Winkler, Mathematical Methods in the Applied Sciences 46 (2023) 15667–15683.","mla":"Tian, Yu, and Michael Winkler. “Keller–Segel–Stokes Interaction Involving Signal‐dependent Motilities.” <i>Mathematical Methods in the Applied Sciences</i>, vol. 46, no. 14, Wiley, 2023, pp. 15667–83, doi:<a href=\"https://doi.org/10.1002/mma.9419\">10.1002/mma.9419</a>."},"date_updated":"2025-12-18T20:11:29Z","publisher":"Wiley","volume":46,"author":[{"first_name":"Yu","last_name":"Tian","full_name":"Tian, Yu"},{"first_name":"Michael","last_name":"Winkler","full_name":"Winkler, Michael","id":"31496"}],"date_created":"2025-12-18T19:15:06Z","title":"Keller–Segel–Stokes interaction involving signal‐dependent motilities","doi":"10.1002/mma.9419"},{"issue":"6","publication_status":"published","publication_identifier":{"issn":["2163-2480"]},"citation":{"apa":"Tao, Y., &#38; Winkler, M. (2023). Global smooth solutions in a three-dimensional cross-diffusive SIS epidemic model with saturated taxis at large densities. <i>Evolution Equations and Control Theory</i>, <i>12</i>(6), 1676–1687. <a href=\"https://doi.org/10.3934/eect.2023031\">https://doi.org/10.3934/eect.2023031</a>","short":"Y. Tao, M. Winkler, Evolution Equations and Control Theory 12 (2023) 1676–1687.","bibtex":"@article{Tao_Winkler_2023, title={Global smooth solutions in a three-dimensional cross-diffusive SIS epidemic model with saturated taxis at large densities}, volume={12}, DOI={<a href=\"https://doi.org/10.3934/eect.2023031\">10.3934/eect.2023031</a>}, number={6}, journal={Evolution Equations and Control Theory}, publisher={American Institute of Mathematical Sciences (AIMS)}, author={Tao, Youshan and Winkler, Michael}, year={2023}, pages={1676–1687} }","mla":"Tao, Youshan, and Michael Winkler. “Global Smooth Solutions in a Three-Dimensional Cross-Diffusive SIS Epidemic Model with Saturated Taxis at Large Densities.” <i>Evolution Equations and Control Theory</i>, vol. 12, no. 6, American Institute of Mathematical Sciences (AIMS), 2023, pp. 1676–87, doi:<a href=\"https://doi.org/10.3934/eect.2023031\">10.3934/eect.2023031</a>.","chicago":"Tao, Youshan, and Michael Winkler. “Global Smooth Solutions in a Three-Dimensional Cross-Diffusive SIS Epidemic Model with Saturated Taxis at Large Densities.” <i>Evolution Equations and Control Theory</i> 12, no. 6 (2023): 1676–87. <a href=\"https://doi.org/10.3934/eect.2023031\">https://doi.org/10.3934/eect.2023031</a>.","ieee":"Y. Tao and M. Winkler, “Global smooth solutions in a three-dimensional cross-diffusive SIS epidemic model with saturated taxis at large densities,” <i>Evolution Equations and Control Theory</i>, vol. 12, no. 6, pp. 1676–1687, 2023, doi: <a href=\"https://doi.org/10.3934/eect.2023031\">10.3934/eect.2023031</a>.","ama":"Tao Y, Winkler M. Global smooth solutions in a three-dimensional cross-diffusive SIS epidemic model with saturated taxis at large densities. <i>Evolution Equations and Control Theory</i>. 2023;12(6):1676-1687. doi:<a href=\"https://doi.org/10.3934/eect.2023031\">10.3934/eect.2023031</a>"},"page":"1676-1687","intvolume":"        12","year":"2023","author":[{"first_name":"Youshan","full_name":"Tao, Youshan","last_name":"Tao"},{"last_name":"Winkler","id":"31496","full_name":"Winkler, Michael","first_name":"Michael"}],"date_created":"2025-12-18T19:14:46Z","volume":12,"date_updated":"2025-12-18T20:11:23Z","publisher":"American Institute of Mathematical Sciences (AIMS)","doi":"10.3934/eect.2023031","title":"Global smooth solutions in a three-dimensional cross-diffusive SIS epidemic model with saturated taxis at large densities","type":"journal_article","publication":"Evolution Equations and Control Theory","status":"public","user_id":"31496","_id":"63275","language":[{"iso":"eng"}]},{"status":"public","type":"journal_article","publication":"SIAM Journal on Applied Mathematics","language":[{"iso":"eng"}],"_id":"63277","user_id":"31496","year":"2023","citation":{"apa":"Painter, K. J., &#38; Winkler, M. (2023). Phenotype Switching in Chemotaxis Aggregation Models Controls the Spontaneous Emergence of Large Densities. <i>SIAM Journal on Applied Mathematics</i>, <i>83</i>(5), 2096–2117. <a href=\"https://doi.org/10.1137/22m1539393\">https://doi.org/10.1137/22m1539393</a>","short":"K.J. Painter, M. Winkler, SIAM Journal on Applied Mathematics 83 (2023) 2096–2117.","mla":"Painter, Kevin J., and Michael Winkler. “Phenotype Switching in Chemotaxis Aggregation Models Controls the Spontaneous Emergence of Large Densities.” <i>SIAM Journal on Applied Mathematics</i>, vol. 83, no. 5, Society for Industrial &#38; Applied Mathematics (SIAM), 2023, pp. 2096–117, doi:<a href=\"https://doi.org/10.1137/22m1539393\">10.1137/22m1539393</a>.","bibtex":"@article{Painter_Winkler_2023, title={Phenotype Switching in Chemotaxis Aggregation Models Controls the Spontaneous Emergence of Large Densities}, volume={83}, DOI={<a href=\"https://doi.org/10.1137/22m1539393\">10.1137/22m1539393</a>}, number={5}, journal={SIAM Journal on Applied Mathematics}, publisher={Society for Industrial &#38; Applied Mathematics (SIAM)}, author={Painter, Kevin J. and Winkler, Michael}, year={2023}, pages={2096–2117} }","chicago":"Painter, Kevin J., and Michael Winkler. “Phenotype Switching in Chemotaxis Aggregation Models Controls the Spontaneous Emergence of Large Densities.” <i>SIAM Journal on Applied Mathematics</i> 83, no. 5 (2023): 2096–2117. <a href=\"https://doi.org/10.1137/22m1539393\">https://doi.org/10.1137/22m1539393</a>.","ieee":"K. J. Painter and M. Winkler, “Phenotype Switching in Chemotaxis Aggregation Models Controls the Spontaneous Emergence of Large Densities,” <i>SIAM Journal on Applied Mathematics</i>, vol. 83, no. 5, pp. 2096–2117, 2023, doi: <a href=\"https://doi.org/10.1137/22m1539393\">10.1137/22m1539393</a>.","ama":"Painter KJ, Winkler M. Phenotype Switching in Chemotaxis Aggregation Models Controls the Spontaneous Emergence of Large Densities. <i>SIAM Journal on Applied Mathematics</i>. 2023;83(5):2096-2117. doi:<a href=\"https://doi.org/10.1137/22m1539393\">10.1137/22m1539393</a>"},"page":"2096-2117","intvolume":"        83","publication_status":"published","publication_identifier":{"issn":["0036-1399","1095-712X"]},"issue":"5","title":"Phenotype Switching in Chemotaxis Aggregation Models Controls the Spontaneous Emergence of Large Densities","doi":"10.1137/22m1539393","date_updated":"2025-12-18T20:11:36Z","publisher":"Society for Industrial & Applied Mathematics (SIAM)","date_created":"2025-12-18T19:15:29Z","author":[{"full_name":"Painter, Kevin J.","last_name":"Painter","first_name":"Kevin J."},{"last_name":"Winkler","full_name":"Winkler, Michael","id":"31496","first_name":"Michael"}],"volume":83},{"doi":"10.1007/s00033-022-01925-3","title":"Global generalized solvability in a strongly degenerate taxis-type parabolic system modeling migration–consumption interaction","author":[{"full_name":"Winkler, Michael","id":"31496","last_name":"Winkler","first_name":"Michael"}],"date_created":"2025-12-18T19:17:51Z","volume":74,"publisher":"Springer Science and Business Media LLC","date_updated":"2025-12-18T20:12:20Z","citation":{"apa":"Winkler, M. (2023). Global generalized solvability in a strongly degenerate taxis-type parabolic system modeling migration–consumption interaction. <i>Zeitschrift Für Angewandte Mathematik Und Physik</i>, <i>74</i>(1), Article 32. <a href=\"https://doi.org/10.1007/s00033-022-01925-3\">https://doi.org/10.1007/s00033-022-01925-3</a>","bibtex":"@article{Winkler_2023, title={Global generalized solvability in a strongly degenerate taxis-type parabolic system modeling migration–consumption interaction}, volume={74}, DOI={<a href=\"https://doi.org/10.1007/s00033-022-01925-3\">10.1007/s00033-022-01925-3</a>}, number={132}, journal={Zeitschrift für angewandte Mathematik und Physik}, publisher={Springer Science and Business Media LLC}, author={Winkler, Michael}, year={2023} }","short":"M. Winkler, Zeitschrift Für Angewandte Mathematik Und Physik 74 (2023).","mla":"Winkler, Michael. “Global Generalized Solvability in a Strongly Degenerate Taxis-Type Parabolic System Modeling Migration–Consumption Interaction.” <i>Zeitschrift Für Angewandte Mathematik Und Physik</i>, vol. 74, no. 1, 32, Springer Science and Business Media LLC, 2023, doi:<a href=\"https://doi.org/10.1007/s00033-022-01925-3\">10.1007/s00033-022-01925-3</a>.","ieee":"M. Winkler, “Global generalized solvability in a strongly degenerate taxis-type parabolic system modeling migration–consumption interaction,” <i>Zeitschrift für angewandte Mathematik und Physik</i>, vol. 74, no. 1, Art. no. 32, 2023, doi: <a href=\"https://doi.org/10.1007/s00033-022-01925-3\">10.1007/s00033-022-01925-3</a>.","chicago":"Winkler, Michael. “Global Generalized Solvability in a Strongly Degenerate Taxis-Type Parabolic System Modeling Migration–Consumption Interaction.” <i>Zeitschrift Für Angewandte Mathematik Und Physik</i> 74, no. 1 (2023). <a href=\"https://doi.org/10.1007/s00033-022-01925-3\">https://doi.org/10.1007/s00033-022-01925-3</a>.","ama":"Winkler M. Global generalized solvability in a strongly degenerate taxis-type parabolic system modeling migration–consumption interaction. <i>Zeitschrift für angewandte Mathematik und Physik</i>. 2023;74(1). doi:<a href=\"https://doi.org/10.1007/s00033-022-01925-3\">10.1007/s00033-022-01925-3</a>"},"intvolume":"        74","year":"2023","issue":"1","publication_status":"published","publication_identifier":{"issn":["0044-2275","1420-9039"]},"language":[{"iso":"eng"}],"article_number":"32","user_id":"31496","_id":"63283","status":"public","abstract":[{"lang":"eng","text":"<jats:title>Abstract</jats:title><jats:p>The parabolic problem <jats:disp-formula><jats:alternatives><jats:tex-math>$$\\begin{aligned} \\left\\{ \\begin{array}{l} u_t=\\Delta \\big (u\\phi (v)\\big ), \\\\ v_t=\\Delta v-uv, \\end{array} \\right. \\end{aligned}$$</jats:tex-math><mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\">\r\n                  <mml:mrow>\r\n                    <mml:mtable>\r\n                      <mml:mtr>\r\n                        <mml:mtd>\r\n                          <mml:mfenced>\r\n                            <mml:mrow>\r\n                              <mml:mtable>\r\n                                <mml:mtr>\r\n                                  <mml:mtd>\r\n                                    <mml:mrow>\r\n                                      <mml:msub>\r\n                                        <mml:mi>u</mml:mi>\r\n                                        <mml:mi>t</mml:mi>\r\n                                      </mml:msub>\r\n                                      <mml:mo>=</mml:mo>\r\n                                      <mml:mi>Δ</mml:mi>\r\n                                      <mml:mrow>\r\n                                        <mml:mo>(</mml:mo>\r\n                                      </mml:mrow>\r\n                                      <mml:mi>u</mml:mi>\r\n                                      <mml:mi>ϕ</mml:mi>\r\n                                      <mml:mrow>\r\n                                        <mml:mo>(</mml:mo>\r\n                                        <mml:mi>v</mml:mi>\r\n                                        <mml:mo>)</mml:mo>\r\n                                      </mml:mrow>\r\n                                      <mml:mrow>\r\n                                        <mml:mo>)</mml:mo>\r\n                                      </mml:mrow>\r\n                                      <mml:mo>,</mml:mo>\r\n                                    </mml:mrow>\r\n                                  </mml:mtd>\r\n                                </mml:mtr>\r\n                                <mml:mtr>\r\n                                  <mml:mtd>\r\n                                    <mml:mrow>\r\n                                      <mml:mrow/>\r\n                                      <mml:msub>\r\n                                        <mml:mi>v</mml:mi>\r\n                                        <mml:mi>t</mml:mi>\r\n                                      </mml:msub>\r\n                                      <mml:mo>=</mml:mo>\r\n                                      <mml:mi>Δ</mml:mi>\r\n                                      <mml:mi>v</mml:mi>\r\n                                      <mml:mo>-</mml:mo>\r\n                                      <mml:mi>u</mml:mi>\r\n                                      <mml:mi>v</mml:mi>\r\n                                      <mml:mo>,</mml:mo>\r\n                                    </mml:mrow>\r\n                                  </mml:mtd>\r\n                                </mml:mtr>\r\n                              </mml:mtable>\r\n                            </mml:mrow>\r\n                          </mml:mfenced>\r\n                        </mml:mtd>\r\n                      </mml:mtr>\r\n                    </mml:mtable>\r\n                  </mml:mrow>\r\n                </mml:math></jats:alternatives></jats:disp-formula>is considered in smoothly bounded subdomains of <jats:inline-formula><jats:alternatives><jats:tex-math>$${\\mathbb {R}}^n$$</jats:tex-math><mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\">\r\n                  <mml:msup>\r\n                    <mml:mrow>\r\n                      <mml:mi>R</mml:mi>\r\n                    </mml:mrow>\r\n                    <mml:mi>n</mml:mi>\r\n                  </mml:msup>\r\n                </mml:math></jats:alternatives></jats:inline-formula> with arbitrary <jats:inline-formula><jats:alternatives><jats:tex-math>$$n\\ge 1$$</jats:tex-math><mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\">\r\n                  <mml:mrow>\r\n                    <mml:mi>n</mml:mi>\r\n                    <mml:mo>≥</mml:mo>\r\n                    <mml:mn>1</mml:mn>\r\n                  </mml:mrow>\r\n                </mml:math></jats:alternatives></jats:inline-formula>. Under the assumptions that <jats:inline-formula><jats:alternatives><jats:tex-math>$$\\phi \\in C^0([0,\\infty )) \\cap C^3((0,\\infty ))$$</jats:tex-math><mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\">\r\n                  <mml:mrow>\r\n                    <mml:mi>ϕ</mml:mi>\r\n                    <mml:mo>∈</mml:mo>\r\n                    <mml:msup>\r\n                      <mml:mi>C</mml:mi>\r\n                      <mml:mn>0</mml:mn>\r\n                    </mml:msup>\r\n                    <mml:mrow>\r\n                      <mml:mo>(</mml:mo>\r\n                      <mml:mrow>\r\n                        <mml:mo>[</mml:mo>\r\n                        <mml:mn>0</mml:mn>\r\n                        <mml:mo>,</mml:mo>\r\n                        <mml:mi>∞</mml:mi>\r\n                        <mml:mo>)</mml:mo>\r\n                      </mml:mrow>\r\n                      <mml:mo>)</mml:mo>\r\n                    </mml:mrow>\r\n                    <mml:mo>∩</mml:mo>\r\n                    <mml:msup>\r\n                      <mml:mi>C</mml:mi>\r\n                      <mml:mn>3</mml:mn>\r\n                    </mml:msup>\r\n                    <mml:mrow>\r\n                      <mml:mo>(</mml:mo>\r\n                      <mml:mrow>\r\n                        <mml:mo>(</mml:mo>\r\n                        <mml:mn>0</mml:mn>\r\n                        <mml:mo>,</mml:mo>\r\n                        <mml:mi>∞</mml:mi>\r\n                        <mml:mo>)</mml:mo>\r\n                      </mml:mrow>\r\n                      <mml:mo>)</mml:mo>\r\n                    </mml:mrow>\r\n                  </mml:mrow>\r\n                </mml:math></jats:alternatives></jats:inline-formula> is positive on <jats:inline-formula><jats:alternatives><jats:tex-math>$$(0,\\infty )$$</jats:tex-math><mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\">\r\n                  <mml:mrow>\r\n                    <mml:mo>(</mml:mo>\r\n                    <mml:mn>0</mml:mn>\r\n                    <mml:mo>,</mml:mo>\r\n                    <mml:mi>∞</mml:mi>\r\n                    <mml:mo>)</mml:mo>\r\n                  </mml:mrow>\r\n                </mml:math></jats:alternatives></jats:inline-formula> and satisfies <jats:disp-formula><jats:alternatives><jats:tex-math>$$\\begin{aligned} \\liminf _{\\xi \\searrow 0} \\frac{\\phi (\\xi )}{\\xi ^\\alpha }&gt;0 \\quad {\\text{ and }} \\quad \\limsup _{\\xi \\searrow 0} \\big \\{ \\xi ^\\beta |\\phi '(\\xi )| \\big \\}&lt;\\infty \\end{aligned}$$</jats:tex-math><mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\">\r\n                  <mml:mrow>\r\n                    <mml:mtable>\r\n                      <mml:mtr>\r\n                        <mml:mtd>\r\n                          <mml:mrow>\r\n                            <mml:munder>\r\n                              <mml:mo>lim inf</mml:mo>\r\n                              <mml:mrow>\r\n                                <mml:mi>ξ</mml:mi>\r\n                                <mml:mo>↘</mml:mo>\r\n                                <mml:mn>0</mml:mn>\r\n                              </mml:mrow>\r\n                            </mml:munder>\r\n                            <mml:mfrac>\r\n                              <mml:mrow>\r\n                                <mml:mi>ϕ</mml:mi>\r\n                                <mml:mo>(</mml:mo>\r\n                                <mml:mi>ξ</mml:mi>\r\n                                <mml:mo>)</mml:mo>\r\n                              </mml:mrow>\r\n                              <mml:msup>\r\n                                <mml:mi>ξ</mml:mi>\r\n                                <mml:mi>α</mml:mi>\r\n                              </mml:msup>\r\n                            </mml:mfrac>\r\n                            <mml:mo>&gt;</mml:mo>\r\n                            <mml:mn>0</mml:mn>\r\n                            <mml:mspace/>\r\n                            <mml:mrow>\r\n                              <mml:mspace/>\r\n                              <mml:mtext>and</mml:mtext>\r\n                              <mml:mspace/>\r\n                            </mml:mrow>\r\n                            <mml:mspace/>\r\n                            <mml:munder>\r\n                              <mml:mo>lim sup</mml:mo>\r\n                              <mml:mrow>\r\n                                <mml:mi>ξ</mml:mi>\r\n                                <mml:mo>↘</mml:mo>\r\n                                <mml:mn>0</mml:mn>\r\n                              </mml:mrow>\r\n                            </mml:munder>\r\n                            <mml:mrow>\r\n                              <mml:mo>{</mml:mo>\r\n                            </mml:mrow>\r\n                            <mml:msup>\r\n                              <mml:mi>ξ</mml:mi>\r\n                              <mml:mi>β</mml:mi>\r\n                            </mml:msup>\r\n                            <mml:mrow>\r\n                              <mml:mo>|</mml:mo>\r\n                              <mml:msup>\r\n                                <mml:mi>ϕ</mml:mi>\r\n                                <mml:mo>′</mml:mo>\r\n                              </mml:msup>\r\n                              <mml:mrow>\r\n                                <mml:mo>(</mml:mo>\r\n                                <mml:mi>ξ</mml:mi>\r\n                                <mml:mo>)</mml:mo>\r\n                              </mml:mrow>\r\n                              <mml:mo>|</mml:mo>\r\n                            </mml:mrow>\r\n                            <mml:mrow>\r\n                              <mml:mo>}</mml:mo>\r\n                            </mml:mrow>\r\n                            <mml:mo>&lt;</mml:mo>\r\n                            <mml:mi>∞</mml:mi>\r\n                          </mml:mrow>\r\n                        </mml:mtd>\r\n                      </mml:mtr>\r\n                    </mml:mtable>\r\n                  </mml:mrow>\r\n                </mml:math></jats:alternatives></jats:disp-formula>with some <jats:inline-formula><jats:alternatives><jats:tex-math>$$\\alpha &gt;0$$</jats:tex-math><mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\">\r\n                  <mml:mrow>\r\n                    <mml:mi>α</mml:mi>\r\n                    <mml:mo>&gt;</mml:mo>\r\n                    <mml:mn>0</mml:mn>\r\n                  </mml:mrow>\r\n                </mml:math></jats:alternatives></jats:inline-formula> and <jats:inline-formula><jats:alternatives><jats:tex-math>$$\\beta &gt;0$$</jats:tex-math><mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\">\r\n                  <mml:mrow>\r\n                    <mml:mi>β</mml:mi>\r\n                    <mml:mo>&gt;</mml:mo>\r\n                    <mml:mn>0</mml:mn>\r\n                  </mml:mrow>\r\n                </mml:math></jats:alternatives></jats:inline-formula>, for all reasonably regular initial data an associated no-flux type initial-boundary value problem is shown to admit a global solution in an appropriately generalized sense. This extends previously developed solution theories on problems of this form, which either concentrated on non-degenerate or weakly degenerate cases corresponding to the choices <jats:inline-formula><jats:alternatives><jats:tex-math>$$\\alpha =0$$</jats:tex-math><mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\">\r\n                  <mml:mrow>\r\n                    <mml:mi>α</mml:mi>\r\n                    <mml:mo>=</mml:mo>\r\n                    <mml:mn>0</mml:mn>\r\n                  </mml:mrow>\r\n                </mml:math></jats:alternatives></jats:inline-formula> and <jats:inline-formula><jats:alternatives><jats:tex-math>$$\\alpha \\in (0,2)$$</jats:tex-math><mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\">\r\n                  <mml:mrow>\r\n                    <mml:mi>α</mml:mi>\r\n                    <mml:mo>∈</mml:mo>\r\n                    <mml:mo>(</mml:mo>\r\n                    <mml:mn>0</mml:mn>\r\n                    <mml:mo>,</mml:mo>\r\n                    <mml:mn>2</mml:mn>\r\n                    <mml:mo>)</mml:mo>\r\n                  </mml:mrow>\r\n                </mml:math></jats:alternatives></jats:inline-formula>, or were restricted to low-dimensional settings by requiring that <jats:inline-formula><jats:alternatives><jats:tex-math>$$n\\le 2$$</jats:tex-math><mml:math xmlns:mml=\"http://www.w3.org/1998/Math/MathML\">\r\n                  <mml:mrow>\r\n                    <mml:mi>n</mml:mi>\r\n                    <mml:mo>≤</mml:mo>\r\n                    <mml:mn>2</mml:mn>\r\n                  </mml:mrow>\r\n                </mml:math></jats:alternatives></jats:inline-formula>.</jats:p>"}],"type":"journal_article","publication":"Zeitschrift für angewandte Mathematik und Physik"},{"title":"Refined regularity analysis for a Keller-Segel-consumption system involving signal-dependent motilities","doi":"10.1080/00036811.2023.2173183","publisher":"Informa UK Limited","date_updated":"2025-12-18T20:14:04Z","volume":103,"date_created":"2025-12-18T19:05:34Z","author":[{"last_name":"Li","full_name":"Li, Genglin","first_name":"Genglin"},{"full_name":"Winkler, Michael","id":"31496","last_name":"Winkler","first_name":"Michael"}],"year":"2023","page":"45-64","intvolume":"       103","citation":{"apa":"Li, G., &#38; Winkler, M. (2023). Refined regularity analysis for a Keller-Segel-consumption system involving signal-dependent motilities. <i>Applicable Analysis</i>, <i>103</i>(1), 45–64. <a href=\"https://doi.org/10.1080/00036811.2023.2173183\">https://doi.org/10.1080/00036811.2023.2173183</a>","bibtex":"@article{Li_Winkler_2023, title={Refined regularity analysis for a Keller-Segel-consumption system involving signal-dependent motilities}, volume={103}, DOI={<a href=\"https://doi.org/10.1080/00036811.2023.2173183\">10.1080/00036811.2023.2173183</a>}, number={1}, journal={Applicable Analysis}, publisher={Informa UK Limited}, author={Li, Genglin and Winkler, Michael}, year={2023}, pages={45–64} }","mla":"Li, Genglin, and Michael Winkler. “Refined Regularity Analysis for a Keller-Segel-Consumption System Involving Signal-Dependent Motilities.” <i>Applicable Analysis</i>, vol. 103, no. 1, Informa UK Limited, 2023, pp. 45–64, doi:<a href=\"https://doi.org/10.1080/00036811.2023.2173183\">10.1080/00036811.2023.2173183</a>.","short":"G. Li, M. Winkler, Applicable Analysis 103 (2023) 45–64.","ieee":"G. Li and M. Winkler, “Refined regularity analysis for a Keller-Segel-consumption system involving signal-dependent motilities,” <i>Applicable Analysis</i>, vol. 103, no. 1, pp. 45–64, 2023, doi: <a href=\"https://doi.org/10.1080/00036811.2023.2173183\">10.1080/00036811.2023.2173183</a>.","chicago":"Li, Genglin, and Michael Winkler. “Refined Regularity Analysis for a Keller-Segel-Consumption System Involving Signal-Dependent Motilities.” <i>Applicable Analysis</i> 103, no. 1 (2023): 45–64. <a href=\"https://doi.org/10.1080/00036811.2023.2173183\">https://doi.org/10.1080/00036811.2023.2173183</a>.","ama":"Li G, Winkler M. Refined regularity analysis for a Keller-Segel-consumption system involving signal-dependent motilities. <i>Applicable Analysis</i>. 2023;103(1):45-64. doi:<a href=\"https://doi.org/10.1080/00036811.2023.2173183\">10.1080/00036811.2023.2173183</a>"},"publication_identifier":{"issn":["0003-6811","1563-504X"]},"publication_status":"published","issue":"1","language":[{"iso":"eng"}],"_id":"63255","user_id":"31496","status":"public","publication":"Applicable Analysis","type":"journal_article"},{"year":"2023","citation":{"apa":"Winkler, M. (2023). A quantitative strong parabolic maximum principle and application to a taxis-type migration–consumption model involving signal-dependent degenerate diffusion. <i>Annales de l’Institut Henri Poincaré C, Analyse Non Linéaire</i>, <i>41</i>(1), 95–127. <a href=\"https://doi.org/10.4171/aihpc/73\">https://doi.org/10.4171/aihpc/73</a>","short":"M. Winkler, Annales de l’Institut Henri Poincaré C, Analyse Non Linéaire 41 (2023) 95–127.","mla":"Winkler, Michael. “A Quantitative Strong Parabolic Maximum Principle and Application to a Taxis-Type Migration–Consumption Model Involving Signal-Dependent Degenerate Diffusion.” <i>Annales de l’Institut Henri Poincaré C, Analyse Non Linéaire</i>, vol. 41, no. 1, European Mathematical Society - EMS - Publishing House GmbH, 2023, pp. 95–127, doi:<a href=\"https://doi.org/10.4171/aihpc/73\">10.4171/aihpc/73</a>.","bibtex":"@article{Winkler_2023, title={A quantitative strong parabolic maximum principle and application to a taxis-type migration–consumption model involving signal-dependent degenerate diffusion}, volume={41}, DOI={<a href=\"https://doi.org/10.4171/aihpc/73\">10.4171/aihpc/73</a>}, number={1}, journal={Annales de l’Institut Henri Poincaré C, Analyse non linéaire}, publisher={European Mathematical Society - EMS - Publishing House GmbH}, author={Winkler, Michael}, year={2023}, pages={95–127} }","ama":"Winkler M. A quantitative strong parabolic maximum principle and application to a taxis-type migration–consumption model involving signal-dependent degenerate diffusion. <i>Annales de l’Institut Henri Poincaré C, Analyse non linéaire</i>. 2023;41(1):95-127. doi:<a href=\"https://doi.org/10.4171/aihpc/73\">10.4171/aihpc/73</a>","ieee":"M. Winkler, “A quantitative strong parabolic maximum principle and application to a taxis-type migration–consumption model involving signal-dependent degenerate diffusion,” <i>Annales de l’Institut Henri Poincaré C, Analyse non linéaire</i>, vol. 41, no. 1, pp. 95–127, 2023, doi: <a href=\"https://doi.org/10.4171/aihpc/73\">10.4171/aihpc/73</a>.","chicago":"Winkler, Michael. “A Quantitative Strong Parabolic Maximum Principle and Application to a Taxis-Type Migration–Consumption Model Involving Signal-Dependent Degenerate Diffusion.” <i>Annales de l’Institut Henri Poincaré C, Analyse Non Linéaire</i> 41, no. 1 (2023): 95–127. <a href=\"https://doi.org/10.4171/aihpc/73\">https://doi.org/10.4171/aihpc/73</a>."},"page":"95-127","intvolume":"        41","publication_status":"published","publication_identifier":{"issn":["0294-1449","1873-1430"]},"issue":"1","title":"A quantitative strong parabolic maximum principle and application to a taxis-type migration–consumption model involving signal-dependent degenerate diffusion","doi":"10.4171/aihpc/73","publisher":"European Mathematical Society - EMS - Publishing House GmbH","date_updated":"2025-12-18T20:14:52Z","date_created":"2025-12-18T19:08:10Z","author":[{"first_name":"Michael","full_name":"Winkler, Michael","id":"31496","last_name":"Winkler"}],"volume":41,"abstract":[{"lang":"eng","text":"<jats:p>\r\n            The taxis-type migration–consumption model accounting for signal-dependent motilities, as given by \r\n            <jats:inline-formula>\r\n              <jats:tex-math>u_{t} = \\Delta (u\\phi(v))</jats:tex-math>\r\n            </jats:inline-formula>\r\n            , \r\n            <jats:inline-formula>\r\n              <jats:tex-math>v_{t} = \\Delta v-uv</jats:tex-math>\r\n            </jats:inline-formula>\r\n            , is considered for suitably smooth functions \r\n            <jats:inline-formula>\r\n              <jats:tex-math>\\phi\\colon[0,\\infty)\\to\\R</jats:tex-math>\r\n            </jats:inline-formula>\r\n             which are such that \r\n            <jats:inline-formula>\r\n              <jats:tex-math>\\phi&gt;0</jats:tex-math>\r\n            </jats:inline-formula>\r\n             on \r\n            <jats:inline-formula>\r\n              <jats:tex-math>(0,\\infty)</jats:tex-math>\r\n            </jats:inline-formula>\r\n            , but that in addition \r\n            <jats:inline-formula>\r\n              <jats:tex-math>\\phi(0)=0</jats:tex-math>\r\n            </jats:inline-formula>\r\n             with \r\n            <jats:inline-formula>\r\n              <jats:tex-math>\\phi'(0)&gt;0</jats:tex-math>\r\n            </jats:inline-formula>\r\n            . In order to appropriately cope with the diffusion degeneracies thereby included, this study separately examines the Neumann problem for the linear equation \r\n            <jats:inline-formula>\r\n              <jats:tex-math>V_{t} = \\Delta V + \\nabla\\cdot ( a(x,t)V) + b(x,t)V</jats:tex-math>\r\n            </jats:inline-formula>\r\n             and establishes a statement on how pointwise positive lower bounds for nonnegative solutions depend on the supremum and the mass of the initial data, and on integrability features of \r\n            <jats:inline-formula>\r\n              <jats:tex-math>a</jats:tex-math>\r\n            </jats:inline-formula>\r\n             and \r\n            <jats:inline-formula>\r\n              <jats:tex-math>b</jats:tex-math>\r\n            </jats:inline-formula>\r\n            . This is thereafter used as a key tool in the derivation of a result on global existence of solutions to the equation above, smooth and classical for positive times, under the mere assumption that the suitably regular initial data be nonnegative in both components. Apart from that, these solutions are seen to stabilize toward some equilibrium, and as a qualitative effect genuinely due to degeneracy in diffusion, a criterion on initial smallness of the second component is identified as sufficient for this limit state to be spatially nonconstant.\r\n          </jats:p>"}],"status":"public","type":"journal_article","publication":"Annales de l'Institut Henri Poincaré C, Analyse non linéaire","language":[{"iso":"eng"}],"_id":"63261","user_id":"31496"},{"intvolume":"       151","page":"1197-1229","citation":{"ama":"Lankeit J, Winkler M. Depleting the signal: Analysis of chemotaxis‐consumption models—A survey. <i>Studies in Applied Mathematics</i>. 2023;151(4):1197-1229. doi:<a href=\"https://doi.org/10.1111/sapm.12625\">10.1111/sapm.12625</a>","chicago":"Lankeit, Johannes, and Michael Winkler. “Depleting the Signal: Analysis of Chemotaxis‐consumption Models—A Survey.” <i>Studies in Applied Mathematics</i> 151, no. 4 (2023): 1197–1229. <a href=\"https://doi.org/10.1111/sapm.12625\">https://doi.org/10.1111/sapm.12625</a>.","ieee":"J. Lankeit and M. Winkler, “Depleting the signal: Analysis of chemotaxis‐consumption models—A survey,” <i>Studies in Applied Mathematics</i>, vol. 151, no. 4, pp. 1197–1229, 2023, doi: <a href=\"https://doi.org/10.1111/sapm.12625\">10.1111/sapm.12625</a>.","mla":"Lankeit, Johannes, and Michael Winkler. “Depleting the Signal: Analysis of Chemotaxis‐consumption Models—A Survey.” <i>Studies in Applied Mathematics</i>, vol. 151, no. 4, Wiley, 2023, pp. 1197–229, doi:<a href=\"https://doi.org/10.1111/sapm.12625\">10.1111/sapm.12625</a>.","short":"J. Lankeit, M. Winkler, Studies in Applied Mathematics 151 (2023) 1197–1229.","bibtex":"@article{Lankeit_Winkler_2023, title={Depleting the signal: Analysis of chemotaxis‐consumption models—A survey}, volume={151}, DOI={<a href=\"https://doi.org/10.1111/sapm.12625\">10.1111/sapm.12625</a>}, number={4}, journal={Studies in Applied Mathematics}, publisher={Wiley}, author={Lankeit, Johannes and Winkler, Michael}, year={2023}, pages={1197–1229} }","apa":"Lankeit, J., &#38; Winkler, M. (2023). Depleting the signal: Analysis of chemotaxis‐consumption models—A survey. <i>Studies in Applied Mathematics</i>, <i>151</i>(4), 1197–1229. <a href=\"https://doi.org/10.1111/sapm.12625\">https://doi.org/10.1111/sapm.12625</a>"},"publication_identifier":{"issn":["0022-2526","1467-9590"]},"publication_status":"published","doi":"10.1111/sapm.12625","volume":151,"author":[{"last_name":"Lankeit","full_name":"Lankeit, Johannes","first_name":"Johannes"},{"first_name":"Michael","id":"31496","full_name":"Winkler, Michael","last_name":"Winkler"}],"date_updated":"2025-12-18T20:16:04Z","status":"public","type":"journal_article","user_id":"31496","_id":"53338","year":"2023","issue":"4","title":"Depleting the signal: Analysis of chemotaxis‐consumption models—A survey","date_created":"2024-04-07T12:50:45Z","publisher":"Wiley","abstract":[{"lang":"eng","text":"<jats:title>Abstract</jats:title><jats:p>We give an overview of analytical results concerned with chemotaxis systems where the signal is absorbed. We recall results on existence and properties of solutions for the prototypical chemotaxis‐consumption model and various variants and review more recent findings on its ability to support the emergence of spatial structures.</jats:p>"}],"publication":"Studies in Applied Mathematics","language":[{"iso":"eng"}],"keyword":["Applied Mathematics"]},{"publication_identifier":{"issn":["2036-2145","0391-173X"]},"publication_status":"published","citation":{"bibtex":"@article{Colasuonno_Winkler_2023, title={Stability vs.~instability of singular steady states in the parabolic-elliptic Keller-Segel system on $\\R^n$}, DOI={<a href=\"https://doi.org/10.2422/2036-2145.202303_006\">10.2422/2036-2145.202303_006</a>}, number={286}, journal={ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE}, publisher={Scuola Normale Superiore - Edizioni della Normale}, author={Colasuonno, Francesca and Winkler, Michael}, year={2023} }","mla":"Colasuonno, Francesca, and Michael Winkler. “Stability vs.~instability of Singular Steady States in the Parabolic-Elliptic Keller-Segel System on $\\R^n$.” <i>ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE</i>, 286, Scuola Normale Superiore - Edizioni della Normale, 2023, doi:<a href=\"https://doi.org/10.2422/2036-2145.202303_006\">10.2422/2036-2145.202303_006</a>.","short":"F. Colasuonno, M. Winkler, ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE (2023).","apa":"Colasuonno, F., &#38; Winkler, M. (2023). Stability vs.~instability of singular steady states in the parabolic-elliptic Keller-Segel system on $\\R^n$. <i>ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE</i>, Article 286. <a href=\"https://doi.org/10.2422/2036-2145.202303_006\">https://doi.org/10.2422/2036-2145.202303_006</a>","ama":"Colasuonno F, Winkler M. Stability vs.~instability of singular steady states in the parabolic-elliptic Keller-Segel system on $\\R^n$. <i>ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE</i>. Published online 2023. doi:<a href=\"https://doi.org/10.2422/2036-2145.202303_006\">10.2422/2036-2145.202303_006</a>","ieee":"F. Colasuonno and M. Winkler, “Stability vs.~instability of singular steady states in the parabolic-elliptic Keller-Segel system on $\\R^n$,” <i>ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE</i>, Art. no. 286, 2023, doi: <a href=\"https://doi.org/10.2422/2036-2145.202303_006\">10.2422/2036-2145.202303_006</a>.","chicago":"Colasuonno, Francesca, and Michael Winkler. “Stability vs.~instability of Singular Steady States in the Parabolic-Elliptic Keller-Segel System on $\\R^n$.” <i>ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE</i>, 2023. <a href=\"https://doi.org/10.2422/2036-2145.202303_006\">https://doi.org/10.2422/2036-2145.202303_006</a>."},"year":"2023","author":[{"first_name":"Francesca","full_name":"Colasuonno, Francesca","last_name":"Colasuonno"},{"id":"31496","full_name":"Winkler, Michael","last_name":"Winkler","first_name":"Michael"}],"date_created":"2025-12-18T18:58:40Z","date_updated":"2025-12-18T20:17:21Z","publisher":"Scuola Normale Superiore - Edizioni della Normale","doi":"10.2422/2036-2145.202303_006","title":"Stability vs.~instability of singular steady states in the parabolic-elliptic Keller-Segel system on $\\R^n$","publication":"ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE","type":"journal_article","status":"public","user_id":"31496","_id":"63243","language":[{"iso":"eng"}],"article_number":"286"},{"year":"2023","page":"1-16","citation":{"apa":"Schenke, M., Haucke-Korber, B., &#38; Wallscheid, O. (2023). Finite-Set Direct Torque Control via Edge Computing-Assisted Safe Reinforcement Learning for a Permanent Magnet Synchronous Motor. <i>IEEE Transactions on Power Electronics</i>, 1–16. <a href=\"https://doi.org/10.1109/tpel.2023.3303651\">https://doi.org/10.1109/tpel.2023.3303651</a>","mla":"Schenke, Maximilian, et al. “Finite-Set Direct Torque Control via Edge Computing-Assisted Safe Reinforcement Learning for a Permanent Magnet Synchronous Motor.” <i>IEEE Transactions on Power Electronics</i>, Institute of Electrical and Electronics Engineers (IEEE), 2023, pp. 1–16, doi:<a href=\"https://doi.org/10.1109/tpel.2023.3303651\">10.1109/tpel.2023.3303651</a>.","bibtex":"@article{Schenke_Haucke-Korber_Wallscheid_2023, title={Finite-Set Direct Torque Control via Edge Computing-Assisted Safe Reinforcement Learning for a Permanent Magnet Synchronous Motor}, DOI={<a href=\"https://doi.org/10.1109/tpel.2023.3303651\">10.1109/tpel.2023.3303651</a>}, journal={IEEE Transactions on Power Electronics}, publisher={Institute of Electrical and Electronics Engineers (IEEE)}, author={Schenke, Maximilian and Haucke-Korber, Barnabas and Wallscheid, Oliver}, year={2023}, pages={1–16} }","short":"M. Schenke, B. Haucke-Korber, O. Wallscheid, IEEE Transactions on Power Electronics (2023) 1–16.","ama":"Schenke M, Haucke-Korber B, Wallscheid O. Finite-Set Direct Torque Control via Edge Computing-Assisted Safe Reinforcement Learning for a Permanent Magnet Synchronous Motor. <i>IEEE Transactions on Power Electronics</i>. Published online 2023:1-16. doi:<a href=\"https://doi.org/10.1109/tpel.2023.3303651\">10.1109/tpel.2023.3303651</a>","ieee":"M. Schenke, B. Haucke-Korber, and O. Wallscheid, “Finite-Set Direct Torque Control via Edge Computing-Assisted Safe Reinforcement Learning for a Permanent Magnet Synchronous Motor,” <i>IEEE Transactions on Power Electronics</i>, pp. 1–16, 2023, doi: <a href=\"https://doi.org/10.1109/tpel.2023.3303651\">10.1109/tpel.2023.3303651</a>.","chicago":"Schenke, Maximilian, Barnabas Haucke-Korber, and Oliver Wallscheid. “Finite-Set Direct Torque Control via Edge Computing-Assisted Safe Reinforcement Learning for a Permanent Magnet Synchronous Motor.” <i>IEEE Transactions on Power Electronics</i>, 2023, 1–16. <a href=\"https://doi.org/10.1109/tpel.2023.3303651\">https://doi.org/10.1109/tpel.2023.3303651</a>."},"publication_identifier":{"issn":["0885-8993","1941-0107"]},"publication_status":"published","title":"Finite-Set Direct Torque Control via Edge Computing-Assisted Safe Reinforcement Learning for a Permanent Magnet Synchronous Motor","doi":"10.1109/tpel.2023.3303651","publisher":"Institute of Electrical and Electronics Engineers (IEEE)","date_updated":"2025-12-19T12:44:23Z","date_created":"2023-09-07T12:08:05Z","author":[{"full_name":"Schenke, Maximilian","id":"52638","last_name":"Schenke","orcid":"0000-0001-5427-9527","first_name":"Maximilian"},{"full_name":"Haucke-Korber, Barnabas","id":"93461","last_name":"Haucke-Korber","orcid":"0000-0003-0862-2069","first_name":"Barnabas"},{"id":"11291","full_name":"Wallscheid, Oliver","orcid":"https://orcid.org/0000-0001-9362-8777","last_name":"Wallscheid","first_name":"Oliver"}],"status":"public","publication":"IEEE Transactions on Power Electronics","type":"journal_article","keyword":["Electrical and Electronic Engineering"],"language":[{"iso":"eng"}],"_id":"46863","department":[{"_id":"52"}],"user_id":"93461"},{"language":[{"iso":"eng"}],"department":[{"_id":"52"}],"user_id":"93461","_id":"46865","status":"public","publication":"2023 IEEE International Electric Machines &amp; Drives Conference (IEMDC)","type":"conference","doi":"10.1109/iemdc55163.2023.10239018","title":"Deep Q Direct Torque Control with a Reduced Control Set Towards Six-Step Operation of Permanent Magnet Synchronous Motors","author":[{"first_name":"Barnabas","full_name":"Haucke-Korber, Barnabas","id":"93461","orcid":"0000-0003-0862-2069","last_name":"Haucke-Korber"},{"last_name":"Schenke","orcid":"0000-0001-5427-9527","full_name":"Schenke, Maximilian","id":"52638","first_name":"Maximilian"},{"first_name":"Oliver","full_name":"Wallscheid, Oliver","id":"11291","orcid":"https://orcid.org/0000-0001-9362-8777","last_name":"Wallscheid"}],"date_created":"2023-09-07T12:08:35Z","date_updated":"2025-12-19T12:44:15Z","publisher":"IEEE","citation":{"chicago":"Haucke-Korber, Barnabas, Maximilian Schenke, and Oliver Wallscheid. “Deep Q Direct Torque Control with a Reduced Control Set Towards Six-Step Operation of Permanent Magnet Synchronous Motors.” In <i>2023 IEEE International Electric Machines &#38;amp; Drives Conference (IEMDC)</i>. IEEE, 2023. <a href=\"https://doi.org/10.1109/iemdc55163.2023.10239018\">https://doi.org/10.1109/iemdc55163.2023.10239018</a>.","ieee":"B. Haucke-Korber, M. Schenke, and O. Wallscheid, “Deep Q Direct Torque Control with a Reduced Control Set Towards Six-Step Operation of Permanent Magnet Synchronous Motors,” 2023, doi: <a href=\"https://doi.org/10.1109/iemdc55163.2023.10239018\">10.1109/iemdc55163.2023.10239018</a>.","ama":"Haucke-Korber B, Schenke M, Wallscheid O. Deep Q Direct Torque Control with a Reduced Control Set Towards Six-Step Operation of Permanent Magnet Synchronous Motors. In: <i>2023 IEEE International Electric Machines &#38;amp; Drives Conference (IEMDC)</i>. IEEE; 2023. doi:<a href=\"https://doi.org/10.1109/iemdc55163.2023.10239018\">10.1109/iemdc55163.2023.10239018</a>","short":"B. Haucke-Korber, M. Schenke, O. Wallscheid, in: 2023 IEEE International Electric Machines &#38;amp; Drives Conference (IEMDC), IEEE, 2023.","bibtex":"@inproceedings{Haucke-Korber_Schenke_Wallscheid_2023, title={Deep Q Direct Torque Control with a Reduced Control Set Towards Six-Step Operation of Permanent Magnet Synchronous Motors}, DOI={<a href=\"https://doi.org/10.1109/iemdc55163.2023.10239018\">10.1109/iemdc55163.2023.10239018</a>}, booktitle={2023 IEEE International Electric Machines &#38;amp; Drives Conference (IEMDC)}, publisher={IEEE}, author={Haucke-Korber, Barnabas and Schenke, Maximilian and Wallscheid, Oliver}, year={2023} }","mla":"Haucke-Korber, Barnabas, et al. “Deep Q Direct Torque Control with a Reduced Control Set Towards Six-Step Operation of Permanent Magnet Synchronous Motors.” <i>2023 IEEE International Electric Machines &#38;amp; Drives Conference (IEMDC)</i>, IEEE, 2023, doi:<a href=\"https://doi.org/10.1109/iemdc55163.2023.10239018\">10.1109/iemdc55163.2023.10239018</a>.","apa":"Haucke-Korber, B., Schenke, M., &#38; Wallscheid, O. (2023). Deep Q Direct Torque Control with a Reduced Control Set Towards Six-Step Operation of Permanent Magnet Synchronous Motors. <i>2023 IEEE International Electric Machines &#38;amp; Drives Conference (IEMDC)</i>. <a href=\"https://doi.org/10.1109/iemdc55163.2023.10239018\">https://doi.org/10.1109/iemdc55163.2023.10239018</a>"},"year":"2023","publication_status":"published"},{"publisher":"IEEE","date_updated":"2025-12-19T12:44:03Z","date_created":"2023-09-07T12:08:25Z","author":[{"last_name":"Book","full_name":"Book, Felix","first_name":"Felix"},{"first_name":"Arne","full_name":"Traue, Arne","last_name":"Traue"},{"first_name":"Maximilian","id":"52638","full_name":"Schenke, Maximilian","last_name":"Schenke","orcid":"0000-0001-5427-9527"},{"full_name":"Haucke-Korber, Barnabas","id":"93461","orcid":"0000-0003-0862-2069","last_name":"Haucke-Korber","first_name":"Barnabas"},{"last_name":"Wallscheid","orcid":"https://orcid.org/0000-0001-9362-8777","id":"11291","full_name":"Wallscheid, Oliver","first_name":"Oliver"}],"title":"Gym-Electric-Motor (GEM) Control: An Automated Open-Source Controller Design Suite for Drives","doi":"10.1109/iemdc55163.2023.10239044","publication_status":"published","year":"2023","citation":{"ama":"Book F, Traue A, Schenke M, Haucke-Korber B, Wallscheid O. Gym-Electric-Motor (GEM) Control: An Automated Open-Source Controller Design Suite for Drives. In: <i>2023 IEEE International Electric Machines &#38;amp; Drives Conference (IEMDC)</i>. IEEE; 2023. doi:<a href=\"https://doi.org/10.1109/iemdc55163.2023.10239044\">10.1109/iemdc55163.2023.10239044</a>","ieee":"F. Book, A. Traue, M. Schenke, B. Haucke-Korber, and O. Wallscheid, “Gym-Electric-Motor (GEM) Control: An Automated Open-Source Controller Design Suite for Drives,” 2023, doi: <a href=\"https://doi.org/10.1109/iemdc55163.2023.10239044\">10.1109/iemdc55163.2023.10239044</a>.","chicago":"Book, Felix, Arne Traue, Maximilian Schenke, Barnabas Haucke-Korber, and Oliver Wallscheid. “Gym-Electric-Motor (GEM) Control: An Automated Open-Source Controller Design Suite for Drives.” In <i>2023 IEEE International Electric Machines &#38;amp; Drives Conference (IEMDC)</i>. IEEE, 2023. <a href=\"https://doi.org/10.1109/iemdc55163.2023.10239044\">https://doi.org/10.1109/iemdc55163.2023.10239044</a>.","apa":"Book, F., Traue, A., Schenke, M., Haucke-Korber, B., &#38; Wallscheid, O. (2023). Gym-Electric-Motor (GEM) Control: An Automated Open-Source Controller Design Suite for Drives. <i>2023 IEEE International Electric Machines &#38;amp; Drives Conference (IEMDC)</i>. <a href=\"https://doi.org/10.1109/iemdc55163.2023.10239044\">https://doi.org/10.1109/iemdc55163.2023.10239044</a>","bibtex":"@inproceedings{Book_Traue_Schenke_Haucke-Korber_Wallscheid_2023, title={Gym-Electric-Motor (GEM) Control: An Automated Open-Source Controller Design Suite for Drives}, DOI={<a href=\"https://doi.org/10.1109/iemdc55163.2023.10239044\">10.1109/iemdc55163.2023.10239044</a>}, booktitle={2023 IEEE International Electric Machines &#38;amp; Drives Conference (IEMDC)}, publisher={IEEE}, author={Book, Felix and Traue, Arne and Schenke, Maximilian and Haucke-Korber, Barnabas and Wallscheid, Oliver}, year={2023} }","short":"F. Book, A. Traue, M. Schenke, B. Haucke-Korber, O. Wallscheid, in: 2023 IEEE International Electric Machines &#38;amp; Drives Conference (IEMDC), IEEE, 2023.","mla":"Book, Felix, et al. “Gym-Electric-Motor (GEM) Control: An Automated Open-Source Controller Design Suite for Drives.” <i>2023 IEEE International Electric Machines &#38;amp; Drives Conference (IEMDC)</i>, IEEE, 2023, doi:<a href=\"https://doi.org/10.1109/iemdc55163.2023.10239044\">10.1109/iemdc55163.2023.10239044</a>."},"_id":"46864","department":[{"_id":"52"}],"user_id":"93461","language":[{"iso":"eng"}],"publication":"2023 IEEE International Electric Machines &amp; Drives Conference (IEMDC)","type":"conference","status":"public"}]
