[{"publication":"Fifth Conference on Sensors, MEMS, and Electro-Optic Systems","citation":{"mla":"Petrov, Dmitry, et al. “Doctor Blade System for the Deposition of Thin Semiconducting Films.” <i>Fifth Conference on Sensors, MEMS, and Electro-Optic Systems</i>, edited by Monuko du Plessis, SPIE, 2019, doi:<a href=\"https://doi.org/10.1117/12.2501307\">10.1117/12.2501307</a>.","bibtex":"@inproceedings{Petrov_Meyers_Reker_Hilleringmann_2019, title={Doctor blade system for the deposition of thin semiconducting films}, DOI={<a href=\"https://doi.org/10.1117/12.2501307\">10.1117/12.2501307</a>}, booktitle={Fifth Conference on Sensors, MEMS, and Electro-Optic Systems}, publisher={SPIE}, author={Petrov, Dmitry and Meyers, Thorsten and Reker, Julia and Hilleringmann, Ulrich}, editor={du Plessis, Monuko}, year={2019} }","ama":"Petrov D, Meyers T, Reker J, Hilleringmann U. Doctor blade system for the deposition of thin semiconducting films. In: du Plessis M, ed. <i>Fifth Conference on Sensors, MEMS, and Electro-Optic Systems</i>. SPIE; 2019. doi:<a href=\"https://doi.org/10.1117/12.2501307\">10.1117/12.2501307</a>","ieee":"D. Petrov, T. Meyers, J. Reker, and U. Hilleringmann, “Doctor blade system for the deposition of thin semiconducting films,” in <i>Fifth Conference on Sensors, MEMS, and Electro-Optic Systems</i>, 2019, doi: <a href=\"https://doi.org/10.1117/12.2501307\">10.1117/12.2501307</a>.","apa":"Petrov, D., Meyers, T., Reker, J., &#38; Hilleringmann, U. (2019). Doctor blade system for the deposition of thin semiconducting films. In M. du Plessis (Ed.), <i>Fifth Conference on Sensors, MEMS, and Electro-Optic Systems</i>. SPIE. <a href=\"https://doi.org/10.1117/12.2501307\">https://doi.org/10.1117/12.2501307</a>","chicago":"Petrov, Dmitry, Thorsten Meyers, Julia Reker, and Ulrich Hilleringmann. “Doctor Blade System for the Deposition of Thin Semiconducting Films.” In <i>Fifth Conference on Sensors, MEMS, and Electro-Optic Systems</i>, edited by Monuko du Plessis. SPIE, 2019. <a href=\"https://doi.org/10.1117/12.2501307\">https://doi.org/10.1117/12.2501307</a>.","short":"D. Petrov, T. Meyers, J. Reker, U. Hilleringmann, in: M. du Plessis (Ed.), Fifth Conference on Sensors, MEMS, and Electro-Optic Systems, SPIE, 2019."},"date_created":"2025-05-03T08:01:08Z","type":"conference","department":[{"_id":"59"},{"_id":"977"}],"title":"Doctor blade system for the deposition of thin semiconducting films","status":"public","year":"2019","author":[{"id":"8282","full_name":"Petrov, Dmitry","first_name":"Dmitry","last_name":"Petrov"},{"full_name":"Meyers, Thorsten","last_name":"Meyers","first_name":"Thorsten"},{"last_name":"Reker","first_name":"Julia","full_name":"Reker, Julia"},{"last_name":"Hilleringmann","first_name":"Ulrich","full_name":"Hilleringmann, Ulrich","id":"20179"}],"publication_status":"published","date_updated":"2026-02-24T19:14:18Z","_id":"59781","publisher":"SPIE","language":[{"iso":"eng"}],"user_id":"8282","doi":"10.1117/12.2501307","editor":[{"full_name":"du Plessis, Monuko","last_name":"du Plessis","first_name":"Monuko"}]},{"date_created":"2023-01-25T09:51:25Z","department":[{"_id":"59"},{"_id":"977"}],"type":"conference","citation":{"ieee":"M. Schmidt, D. Petrov, C. Hedayat, U. Hilleringmann, and T. Otto, “Wireless power supply for a RFID based sensor platform,” in <i>Smart Systems Integration; 13th International Conference and Exhibition on Integration Issues of Miniaturized Systems</i>, 2019, pp. 1–4.","mla":"Schmidt, Marco, et al. “Wireless Power Supply for a RFID Based Sensor Platform.” <i>Smart Systems Integration; 13th International Conference and Exhibition on Integration Issues of Miniaturized Systems</i>, 2019, pp. 1–4.","apa":"Schmidt, M., Petrov, D., Hedayat, C., Hilleringmann, U., &#38; Otto, T. (2019). Wireless power supply for a RFID based sensor platform. <i>Smart Systems Integration; 13th International Conference and Exhibition on Integration Issues of Miniaturized Systems</i>, 1–4.","bibtex":"@inproceedings{Schmidt_Petrov_Hedayat_Hilleringmann_Otto_2019, title={Wireless power supply for a RFID based sensor platform}, booktitle={Smart Systems Integration; 13th International Conference and Exhibition on Integration Issues of Miniaturized Systems}, author={Schmidt, Marco and Petrov, Dmitry and Hedayat, Christian and Hilleringmann, Ulrich and Otto, Thomas}, year={2019}, pages={1–4} }","short":"M. Schmidt, D. Petrov, C. Hedayat, U. Hilleringmann, T. Otto, in: Smart Systems Integration; 13th International Conference and Exhibition on Integration Issues of Miniaturized Systems, 2019, pp. 1–4.","ama":"Schmidt M, Petrov D, Hedayat C, Hilleringmann U, Otto T. Wireless power supply for a RFID based sensor platform. In: <i>Smart Systems Integration; 13th International Conference and Exhibition on Integration Issues of Miniaturized Systems</i>. ; 2019:1-4.","chicago":"Schmidt, Marco, Dmitry Petrov, Christian Hedayat, Ulrich Hilleringmann, and Thomas Otto. “Wireless Power Supply for a RFID Based Sensor Platform.” In <i>Smart Systems Integration; 13th International Conference and Exhibition on Integration Issues of Miniaturized Systems</i>, 1–4, 2019."},"publication":"Smart Systems Integration; 13th International Conference and Exhibition on Integration Issues of Miniaturized Systems","_id":"39943","language":[{"iso":"eng"}],"page":"1-4","user_id":"8282","author":[{"full_name":"Schmidt, Marco","last_name":"Schmidt","first_name":"Marco"},{"id":"8282","full_name":"Petrov, Dmitry","first_name":"Dmitry","last_name":"Petrov"},{"full_name":"Hedayat, Christian","last_name":"Hedayat","first_name":"Christian"},{"full_name":"Hilleringmann, Ulrich","first_name":"Ulrich","last_name":"Hilleringmann","id":"20179"},{"full_name":"Otto, Thomas","last_name":"Otto","first_name":"Thomas"}],"status":"public","year":"2019","title":"Wireless power supply for a RFID based sensor platform","date_updated":"2026-02-24T19:10:12Z"},{"user_id":"8282","_id":"39944","language":[{"iso":"eng"}],"page":"1-4","date_updated":"2026-02-24T19:13:17Z","author":[{"id":"8282","full_name":"Petrov, Dmitry","last_name":"Petrov","first_name":"Dmitry"},{"full_name":"Schmidt, Marco","first_name":"Marco","last_name":"Schmidt"},{"id":"20179","first_name":"Ulrich","last_name":"Hilleringmann","full_name":"Hilleringmann, Ulrich"},{"first_name":"Christian","last_name":"Hedayat","full_name":"Hedayat, Christian"},{"first_name":"Thomas","last_name":"Otto","full_name":"Otto, Thomas"}],"status":"public","title":"RFID based sensor platform for industry 4.0 application","year":"2019","department":[{"_id":"59"},{"_id":"977"}],"type":"conference","date_created":"2023-01-25T09:52:16Z","citation":{"short":"D. Petrov, M. Schmidt, U. Hilleringmann, C. Hedayat, T. Otto, in: Smart Systems Integration; 13th International Conference and Exhibition on Integration Issues of Miniaturized Systems, 2019, pp. 1–4.","chicago":"Petrov, Dmitry, Marco Schmidt, Ulrich Hilleringmann, Christian Hedayat, and Thomas Otto. “RFID Based Sensor Platform for Industry 4.0 Application.” In <i>Smart Systems Integration; 13th International Conference and Exhibition on Integration Issues of Miniaturized Systems</i>, 1–4, 2019.","ieee":"D. Petrov, M. Schmidt, U. Hilleringmann, C. Hedayat, and T. Otto, “RFID based sensor platform for industry 4.0 application,” in <i>Smart Systems Integration; 13th International Conference and Exhibition on Integration Issues of Miniaturized Systems</i>, 2019, pp. 1–4.","apa":"Petrov, D., Schmidt, M., Hilleringmann, U., Hedayat, C., &#38; Otto, T. (2019). RFID based sensor platform for industry 4.0 application. <i>Smart Systems Integration; 13th International Conference and Exhibition on Integration Issues of Miniaturized Systems</i>, 1–4.","bibtex":"@inproceedings{Petrov_Schmidt_Hilleringmann_Hedayat_Otto_2019, title={RFID based sensor platform for industry 4.0 application}, booktitle={Smart Systems Integration; 13th International Conference and Exhibition on Integration Issues of Miniaturized Systems}, author={Petrov, Dmitry and Schmidt, Marco and Hilleringmann, Ulrich and Hedayat, Christian and Otto, Thomas}, year={2019}, pages={1–4} }","ama":"Petrov D, Schmidt M, Hilleringmann U, Hedayat C, Otto T. RFID based sensor platform for industry 4.0 application. In: <i>Smart Systems Integration; 13th International Conference and Exhibition on Integration Issues of Miniaturized Systems</i>. ; 2019:1-4.","mla":"Petrov, Dmitry, et al. “RFID Based Sensor Platform for Industry 4.0 Application.” <i>Smart Systems Integration; 13th International Conference and Exhibition on Integration Issues of Miniaturized Systems</i>, 2019, pp. 1–4."},"publication":"Smart Systems Integration; 13th International Conference and Exhibition on Integration Issues of Miniaturized Systems"},{"date_created":"2026-02-20T10:04:02Z","department":[{"_id":"977"}],"type":"conference","citation":{"chicago":"Neutsch, Krisztian, Martin R. Hofmann, Nils Christopher Gerhardt, Lena Schnitzler, and Marlon J. Tranelis. “Three-Dimensional Particle Localization with Common-Path Digital Holographic Microscopy.” In <i>Practical Holography XXXIII: Displays, Materials, and Applications</i>, 2019. <a href=\"https://doi.org/10.1117/12.2509448\">https://doi.org/10.1117/12.2509448</a>.","short":"K. Neutsch, M.R. Hofmann, N.C. Gerhardt, L. Schnitzler, M.J. Tranelis, in: Practical Holography XXXIII: Displays, Materials, and Applications, 2019.","ama":"Neutsch K, Hofmann MR, Gerhardt NC, Schnitzler L, Tranelis MJ. Three-dimensional particle localization with common-path digital holographic microscopy. In: <i>Practical Holography XXXIII: Displays, Materials, and Applications</i>. ; 2019. doi:<a href=\"https://doi.org/10.1117/12.2509448\">10.1117/12.2509448</a>","bibtex":"@inproceedings{Neutsch_Hofmann_Gerhardt_Schnitzler_Tranelis_2019, title={Three-dimensional particle localization with common-path digital holographic microscopy}, DOI={<a href=\"https://doi.org/10.1117/12.2509448\">10.1117/12.2509448</a>}, booktitle={Practical Holography XXXIII: Displays, Materials, and Applications}, author={Neutsch, Krisztian and Hofmann, Martin R. and Gerhardt, Nils Christopher and Schnitzler, Lena and Tranelis, Marlon J.}, year={2019} }","apa":"Neutsch, K., Hofmann, M. R., Gerhardt, N. C., Schnitzler, L., &#38; Tranelis, M. J. (2019). Three-dimensional particle localization with common-path digital holographic microscopy. <i>Practical Holography XXXIII: Displays, Materials, and Applications</i>. <a href=\"https://doi.org/10.1117/12.2509448\">https://doi.org/10.1117/12.2509448</a>","mla":"Neutsch, Krisztian, et al. “Three-Dimensional Particle Localization with Common-Path Digital Holographic Microscopy.” <i>Practical Holography XXXIII: Displays, Materials, and Applications</i>, 2019, doi:<a href=\"https://doi.org/10.1117/12.2509448\">10.1117/12.2509448</a>.","ieee":"K. Neutsch, M. R. Hofmann, N. C. Gerhardt, L. Schnitzler, and M. J. Tranelis, “Three-dimensional particle localization with common-path digital holographic microscopy,” 2019, doi: <a href=\"https://doi.org/10.1117/12.2509448\">10.1117/12.2509448</a>."},"publication":"Practical Holography XXXIII: Displays, Materials, and Applications","language":[{"iso":"eng"}],"_id":"64361","user_id":"15911","doi":"10.1117/12.2509448","author":[{"full_name":"Neutsch, Krisztian","last_name":"Neutsch","first_name":"Krisztian"},{"first_name":"Martin R.","last_name":"Hofmann","full_name":"Hofmann, Martin R."},{"id":"115298","first_name":"Nils Christopher","orcid":"0009-0002-5538-231X","last_name":"Gerhardt","full_name":"Gerhardt, Nils Christopher"},{"first_name":"Lena","last_name":"Schnitzler","full_name":"Schnitzler, Lena"},{"full_name":"Tranelis, Marlon J.","last_name":"Tranelis","first_name":"Marlon J."}],"status":"public","year":"2019","title":"Three-dimensional particle localization with common-path digital holographic microscopy","date_updated":"2026-02-25T13:50:47Z"},{"citation":{"mla":"Gerhardt, Nils Christopher, et al. “Semiconductor Spin-Lasers.” <i>Nanoscale Spintronics and Applications</i>, 2019, pp. 499–540.","bibtex":"@inbook{Gerhardt_Žutić_Lee_Gøthgen_Farla, Paulo E._Xu_Sipahi_2019, title={Semiconductor spin-lasers}, booktitle={Nanoscale spintronics and applications}, author={Gerhardt, Nils Christopher and Žutić, Igor and Lee, Jeongsu and Gøthgen, Christian and Farla, Paulo E., Junior and Xu, Gaofeng and Sipahi, Guilherme M.}, year={2019}, pages={499–540} }","ama":"Gerhardt NC, Žutić I, Lee J, et al. Semiconductor spin-lasers. In: <i>Nanoscale Spintronics and Applications</i>. ; 2019:499-540.","ieee":"N. C. Gerhardt <i>et al.</i>, “Semiconductor spin-lasers,” in <i>Nanoscale spintronics and applications</i>, 2019, pp. 499–540.","apa":"Gerhardt, N. C., Žutić, I., Lee, J., Gøthgen, C., Farla, Paulo E., J., Xu, G., &#38; Sipahi, G. M. (2019). Semiconductor spin-lasers. In <i>Nanoscale spintronics and applications</i> (pp. 499–540).","chicago":"Gerhardt, Nils Christopher, Igor Žutić, Jeongsu Lee, Christian Gøthgen, Junior Farla, Paulo E., Gaofeng Xu, and Guilherme M. Sipahi. “Semiconductor Spin-Lasers.” In <i>Nanoscale Spintronics and Applications</i>, 499–540, 2019.","short":"N.C. Gerhardt, I. Žutić, J. Lee, C. Gøthgen, J. Farla, Paulo E., G. Xu, G.M. Sipahi, in: Nanoscale Spintronics and Applications, 2019, pp. 499–540."},"publication":"Nanoscale spintronics and applications","department":[{"_id":"977"}],"type":"book_chapter","date_created":"2026-02-20T10:04:02Z","date_updated":"2026-02-25T13:51:03Z","author":[{"last_name":"Gerhardt","orcid":"0009-0002-5538-231X","first_name":"Nils Christopher","full_name":"Gerhardt, Nils Christopher","id":"115298"},{"last_name":"Žutić","first_name":"Igor","full_name":"Žutić, Igor"},{"first_name":"Jeongsu","last_name":"Lee","full_name":"Lee, Jeongsu"},{"last_name":"Gøthgen","first_name":"Christian","full_name":"Gøthgen, Christian"},{"full_name":"Farla, Paulo E., Junior","first_name":"Junior","last_name":"Farla, Paulo E."},{"first_name":"Gaofeng","last_name":"Xu","full_name":"Xu, Gaofeng"},{"full_name":"Sipahi, Guilherme M.","first_name":"Guilherme M.","last_name":"Sipahi"}],"status":"public","title":"Semiconductor spin-lasers","year":"2019","user_id":"15911","_id":"64360","language":[{"iso":"eng"}],"page":"499 - 540"},{"language":[{"iso":"eng"}],"doi":"10.1038/s41586-019-1073-y","publication_identifier":{"issn":["0028-0836","1476-4687"]},"author":[{"last_name":"Lindemann","first_name":"Markus","full_name":"Lindemann, Markus"},{"full_name":"Xu, Gaofeng","first_name":"Gaofeng","last_name":"Xu"},{"first_name":"Tobias","last_name":"Pusch","full_name":"Pusch, Tobias"},{"full_name":"Michalzik, Rainer","last_name":"Michalzik","first_name":"Rainer"},{"last_name":"Hofmann","first_name":"Martin R.","full_name":"Hofmann, Martin R."},{"full_name":"Žutić, Igor","first_name":"Igor","last_name":"Žutić"},{"full_name":"Gerhardt, Nils Christopher","last_name":"Gerhardt","first_name":"Nils Christopher","orcid":"0009-0002-5538-231X","id":"115298"}],"year":"2019","title":"Ultrafast spin-lasers","intvolume":"       568","publication_status":"published","date_updated":"2026-02-25T14:09:49Z","date_created":"2025-04-25T07:21:34Z","department":[{"_id":"977"}],"type":"journal_article","issue":"7751","publication":"Nature","extern":"1","abstract":[{"lang":"eng","text":"Lasers have both ubiquitous applications and roles as model systems in which non-equilibrium and cooperative phenomena can be elucidated1. The introduction of novel concepts in laser operation thus has potential to lead to both new applications and fundamental insights2. Spintronics3, in which both the spin and the charge of the electron are used, has led to the development of spin-lasers, in which charge-carrier spin and photon spin are exploited. Here we show experimentally that the coupling between carrier spin and light polarization in common semiconductor lasers can enable room-temperature modulation frequencies above 200 gigahertz, exceeding by nearly an order of magnitude the best conventional semiconductor lasers. Surprisingly, this ultrafast operation of the resultant spin-laser relies on a short carrier spin relaxation time and a large anisotropy of the refractive index, both of which are commonly viewed as detrimental in spintronics3 and conventional lasers4. Our results overcome the key speed limitations of conventional directly modulated lasers and offer a prospect for the next generation of low-energy ultrafast optical communication."}],"publisher":"Springer Science and Business Media LLC","_id":"59687","page":"212-215","volume":568,"user_id":"15911","status":"public","citation":{"short":"M. Lindemann, G. Xu, T. Pusch, R. Michalzik, M.R. Hofmann, I. Žutić, N.C. Gerhardt, Nature 568 (2019) 212–215.","chicago":"Lindemann, Markus, Gaofeng Xu, Tobias Pusch, Rainer Michalzik, Martin R. Hofmann, Igor Žutić, and Nils Christopher Gerhardt. “Ultrafast Spin-Lasers.” <i>Nature</i> 568, no. 7751 (2019): 212–15. <a href=\"https://doi.org/10.1038/s41586-019-1073-y\">https://doi.org/10.1038/s41586-019-1073-y</a>.","ieee":"M. Lindemann <i>et al.</i>, “Ultrafast spin-lasers,” <i>Nature</i>, vol. 568, no. 7751, pp. 212–215, 2019, doi: <a href=\"https://doi.org/10.1038/s41586-019-1073-y\">10.1038/s41586-019-1073-y</a>.","apa":"Lindemann, M., Xu, G., Pusch, T., Michalzik, R., Hofmann, M. R., Žutić, I., &#38; Gerhardt, N. C. (2019). Ultrafast spin-lasers. <i>Nature</i>, <i>568</i>(7751), 212–215. <a href=\"https://doi.org/10.1038/s41586-019-1073-y\">https://doi.org/10.1038/s41586-019-1073-y</a>","bibtex":"@article{Lindemann_Xu_Pusch_Michalzik_Hofmann_Žutić_Gerhardt_2019, title={Ultrafast spin-lasers}, volume={568}, DOI={<a href=\"https://doi.org/10.1038/s41586-019-1073-y\">10.1038/s41586-019-1073-y</a>}, number={7751}, journal={Nature}, publisher={Springer Science and Business Media LLC}, author={Lindemann, Markus and Xu, Gaofeng and Pusch, Tobias and Michalzik, Rainer and Hofmann, Martin R. and Žutić, Igor and Gerhardt, Nils Christopher}, year={2019}, pages={212–215} }","ama":"Lindemann M, Xu G, Pusch T, et al. Ultrafast spin-lasers. <i>Nature</i>. 2019;568(7751):212-215. doi:<a href=\"https://doi.org/10.1038/s41586-019-1073-y\">10.1038/s41586-019-1073-y</a>","mla":"Lindemann, Markus, et al. “Ultrafast Spin-Lasers.” <i>Nature</i>, vol. 568, no. 7751, Springer Science and Business Media LLC, 2019, pp. 212–15, doi:<a href=\"https://doi.org/10.1038/s41586-019-1073-y\">10.1038/s41586-019-1073-y</a>."},"quality_controlled":"1"},{"type":"preprint","department":[{"_id":"10"},{"_id":"87"},{"_id":"93"}],"external_id":{"arxiv":["arXiv:1904.10928"]},"date_created":"2026-02-26T21:22:48Z","citation":{"short":"N. Nikitin, (2019).","chicago":"Nikitin, Natalie. “Measurable Regularity of Infinite-Dimensional Lie Groups Based on Lusin Measurability,” 2019.","apa":"Nikitin, N. (2019). <i>Measurable regularity of infinite-dimensional Lie groups based on Lusin measurability</i>.","ieee":"N. Nikitin, “Measurable regularity of infinite-dimensional Lie groups based on Lusin measurability.” 2019.","ama":"Nikitin N. Measurable regularity of infinite-dimensional Lie groups based on Lusin measurability. Published online 2019.","bibtex":"@article{Nikitin_2019, title={Measurable regularity of infinite-dimensional Lie groups based on Lusin measurability}, author={Nikitin, Natalie}, year={2019} }","mla":"Nikitin, Natalie. <i>Measurable Regularity of Infinite-Dimensional Lie Groups Based on Lusin Measurability</i>. 2019."},"user_id":"178","_id":"64769","language":[{"iso":"eng"}],"date_updated":"2026-02-26T21:22:58Z","status":"public","title":"Measurable regularity of infinite-dimensional Lie groups based on Lusin measurability","year":"2019","author":[{"full_name":"Nikitin, Natalie","last_name":"Nikitin","first_name":"Natalie"}]},{"quality_controlled":"1","citation":{"short":"B. Walter, Indagationes Mathematicae 30 (2019) 669–705.","chicago":"Walter, Boris. “Weighted Diffeomorphism Groups of Riemannian Manifolds.” <i>Indagationes Mathematicae</i> 30, no. 4 (2019): 669–705. <a href=\"https://doi.org/10.1016/j.indag.2019.03.003\">https://doi.org/10.1016/j.indag.2019.03.003</a>.","ieee":"B. Walter, “Weighted diffeomorphism groups of Riemannian manifolds,” <i>Indagationes Mathematicae</i>, vol. 30, no. 4, pp. 669–705, 2019, doi: <a href=\"https://doi.org/10.1016/j.indag.2019.03.003\">10.1016/j.indag.2019.03.003</a>.","apa":"Walter, B. (2019). Weighted diffeomorphism groups of Riemannian manifolds. <i>Indagationes Mathematicae</i>, <i>30</i>(4), 669–705. <a href=\"https://doi.org/10.1016/j.indag.2019.03.003\">https://doi.org/10.1016/j.indag.2019.03.003</a>","bibtex":"@article{Walter_2019, title={Weighted diffeomorphism groups of Riemannian manifolds}, volume={30}, DOI={<a href=\"https://doi.org/10.1016/j.indag.2019.03.003\">10.1016/j.indag.2019.03.003</a>}, number={4}, journal={Indagationes Mathematicae}, author={Walter, Boris}, year={2019}, pages={669–705} }","ama":"Walter B. Weighted diffeomorphism groups of Riemannian manifolds. <i>Indagationes Mathematicae</i>. 2019;30(4):669–705. doi:<a href=\"https://doi.org/10.1016/j.indag.2019.03.003\">10.1016/j.indag.2019.03.003</a>","mla":"Walter, Boris. “Weighted Diffeomorphism Groups of Riemannian Manifolds.” <i>Indagationes Mathematicae</i>, vol. 30, no. 4, 2019, pp. 669–705, doi:<a href=\"https://doi.org/10.1016/j.indag.2019.03.003\">10.1016/j.indag.2019.03.003</a>."},"user_id":"178","volume":30,"page":"669–705","_id":"64756","status":"public","keyword":["58D05","57S05","22E65","58D15","58B10"],"type":"journal_article","department":[{"_id":"10"},{"_id":"87"},{"_id":"93"}],"date_created":"2026-02-26T20:43:34Z","issue":"4","publication":"Indagationes Mathematicae","doi":"10.1016/j.indag.2019.03.003","language":[{"iso":"eng"}],"date_updated":"2026-02-27T07:09:17Z","article_type":"original","intvolume":"        30","title":"Weighted diffeomorphism groups of Riemannian manifolds","year":"2019","author":[{"first_name":"Boris","last_name":"Walter","full_name":"Walter, Boris"}],"publication_identifier":{"issn":["0019-3577"]}},{"publication":"Canadian Journal of Mathematics","issue":"1","date_created":"2026-02-26T07:03:36Z","department":[{"_id":"10"},{"_id":"87"},{"_id":"93"}],"type":"journal_article","keyword":["22E65","22A05","22E67","46A13","46M40","58D05"],"publication_identifier":{"issn":["0008-414X"]},"author":[{"last_name":"Glöckner","first_name":"Helge","full_name":"Glöckner, Helge","id":"178"}],"year":"2019","title":"Completeness of infinite-dimensional Lie groups in their left uniformity","intvolume":"        71","article_type":"original","date_updated":"2026-02-27T08:33:56Z","language":[{"iso":"eng"}],"doi":"10.4153/CJM-2017-048-5","citation":{"bibtex":"@article{Glöckner_2019, title={Completeness of infinite-dimensional Lie groups in their left uniformity}, volume={71}, DOI={<a href=\"https://doi.org/10.4153/CJM-2017-048-5\">10.4153/CJM-2017-048-5</a>}, number={1}, journal={Canadian Journal of Mathematics}, author={Glöckner, Helge}, year={2019}, pages={131–152} }","ama":"Glöckner H. Completeness of infinite-dimensional Lie groups in their left uniformity. <i>Canadian Journal of Mathematics</i>. 2019;71(1):131–152. doi:<a href=\"https://doi.org/10.4153/CJM-2017-048-5\">10.4153/CJM-2017-048-5</a>","short":"H. Glöckner, Canadian Journal of Mathematics 71 (2019) 131–152.","chicago":"Glöckner, Helge. “Completeness of Infinite-Dimensional Lie Groups in Their Left Uniformity.” <i>Canadian Journal of Mathematics</i> 71, no. 1 (2019): 131–152. <a href=\"https://doi.org/10.4153/CJM-2017-048-5\">https://doi.org/10.4153/CJM-2017-048-5</a>.","ieee":"H. Glöckner, “Completeness of infinite-dimensional Lie groups in their left uniformity,” <i>Canadian Journal of Mathematics</i>, vol. 71, no. 1, pp. 131–152, 2019, doi: <a href=\"https://doi.org/10.4153/CJM-2017-048-5\">10.4153/CJM-2017-048-5</a>.","apa":"Glöckner, H. (2019). Completeness of infinite-dimensional Lie groups in their left uniformity. <i>Canadian Journal of Mathematics</i>, <i>71</i>(1), 131–152. <a href=\"https://doi.org/10.4153/CJM-2017-048-5\">https://doi.org/10.4153/CJM-2017-048-5</a>","mla":"Glöckner, Helge. “Completeness of Infinite-Dimensional Lie Groups in Their Left Uniformity.” <i>Canadian Journal of Mathematics</i>, vol. 71, no. 1, 2019, pp. 131–152, doi:<a href=\"https://doi.org/10.4153/CJM-2017-048-5\">10.4153/CJM-2017-048-5</a>."},"quality_controlled":"1","status":"public","_id":"64630","page":"131–152","volume":71,"user_id":"178"},{"date_created":"2026-02-27T10:57:16Z","department":[{"_id":"157"}],"type":"journal_article","publication":"Procedia Manufacturing","abstract":[{"lang":"eng","text":"The increasing trend of multi-material and space-frame design in automotive car body constructions consolidates the need for mechanical joining technologies with one-sided accessibility. The high-speed joining process (also called “RIVTAC®” or “Impact”) is an innovative and flexible technology. In this process, a tack having a profiled shank and an ogival shaped tip is pushed into the joining partners with a speed of 20 to 40 m/s without any pre-punching. The plastic and friction work is converted into heat, which causes an abrupt rise of temperature in the joining zone. This improves the flowability of the material which leads to filling the annular grooves existing on the shank of the tack. Simultaneously, a force-fit is created between the sheet metal and the tack. Furthermore, the effects of inertia are used so that the thin-walled structures can be joined without any additional tools (e.g. a die). The joining process causes the deformation of the structure, which must be taken into account with regard to tolerances. The numerical simulation is a powerful tool to predict the deformation and the joinability of a complex structure as well as the mechanical properties of the connection. The paper is about the detailed process- and load-simulation of high-speed joining as well as the required experimental data basis, such as temperature and strain rate dependent flow curves. Furthermore, the friction parameters are very important for the physical consideration of the force-fit connection. Coupled structural-thermal simulations of an axisymmetric 2D-model are performed using explicit and implicit codes."}],"language":[{"iso":"eng"}],"doi":"10.1016/j.promfg.2019.02.173","author":[{"full_name":"Meschut, Gerson","last_name":"Meschut","orcid":"0000-0002-2763-1246","first_name":"Gerson","id":"32056"},{"id":"7728","full_name":"Hein, David","first_name":"David","last_name":"Hein"},{"full_name":"Gerkens, Michael","first_name":"Michael","last_name":"Gerkens"}],"publication_identifier":{"issn":["2351-9789"]},"title":"Numerical simulation of high-speed joining of sheet metal structures","year":"2019","intvolume":"        29","publication_status":"published","date_updated":"2026-02-27T10:58:34Z","citation":{"ieee":"G. Meschut, D. Hein, and M. Gerkens, “Numerical simulation of high-speed joining of sheet metal structures,” <i>Procedia Manufacturing</i>, vol. 29, pp. 280–287, 2019, doi: <a href=\"https://doi.org/10.1016/j.promfg.2019.02.173\">10.1016/j.promfg.2019.02.173</a>.","mla":"Meschut, Gerson, et al. “Numerical Simulation of High-Speed Joining of Sheet Metal Structures.” <i>Procedia Manufacturing</i>, vol. 29, Elsevier BV, 2019, pp. 280–87, doi:<a href=\"https://doi.org/10.1016/j.promfg.2019.02.173\">10.1016/j.promfg.2019.02.173</a>.","apa":"Meschut, G., Hein, D., &#38; Gerkens, M. (2019). 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Gerkens, Procedia Manufacturing 29 (2019) 280–287.","chicago":"Meschut, Gerson, David Hein, and Michael Gerkens. “Numerical Simulation of High-Speed Joining of Sheet Metal Structures.” <i>Procedia Manufacturing</i> 29 (2019): 280–87. <a href=\"https://doi.org/10.1016/j.promfg.2019.02.173\">https://doi.org/10.1016/j.promfg.2019.02.173</a>."},"quality_controlled":"1","publisher":"Elsevier BV","_id":"64780","page":"280-287","volume":29,"user_id":"53912","status":"public"},{"date_created":"2026-02-27T10:52:07Z","type":"journal_article","publication":"adhäsion KLEBEN &amp; DICHTEN","issue":"6","language":[{"iso":"ger"}],"doi":"10.1007/s35145-019-0038-5","title":"Entfüge- und Fügekonzepte für geklebte Leichtbaustrukturen","year":"2019","publication_identifier":{"issn":["1619-1919","2192-8681"]},"author":[{"full_name":"Ditter, Jan","first_name":"Jan","last_name":"Ditter","id":"22488"},{"full_name":"Meschut, Gerson","first_name":"Gerson","orcid":"0000-0002-2763-1246","last_name":"Meschut","id":"32056"},{"first_name":"Tim Michael","last_name":"Wibbeke","full_name":"Wibbeke, Tim Michael"}],"publication_status":"published","date_updated":"2026-02-27T10:53:22Z","intvolume":"        63","citation":{"chicago":"Ditter, Jan, Gerson Meschut, and Tim Michael Wibbeke. “Entfüge- und Fügekonzepte für geklebte Leichtbaustrukturen.” <i>adhäsion KLEBEN &#38;amp; DICHTEN</i> 63, no. 6 (2019): 18–25. <a href=\"https://doi.org/10.1007/s35145-019-0038-5\">https://doi.org/10.1007/s35145-019-0038-5</a>.","short":"J. Ditter, G. Meschut, T.M. Wibbeke, adhäsion KLEBEN &#38;amp; DICHTEN 63 (2019) 18–25.","ieee":"J. Ditter, G. Meschut, and T. M. Wibbeke, “Entfüge- und Fügekonzepte für geklebte Leichtbaustrukturen,” <i>adhäsion KLEBEN &#38;amp; DICHTEN</i>, vol. 63, no. 6, pp. 18–25, 2019, doi: <a href=\"https://doi.org/10.1007/s35145-019-0038-5\">10.1007/s35145-019-0038-5</a>.","apa":"Ditter, J., Meschut, G., &#38; Wibbeke, T. M. (2019). 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Entfüge- und Fügekonzepte für geklebte Leichtbaustrukturen. <i>adhäsion KLEBEN &#38;amp; DICHTEN</i>. 2019;63(6):18-25. doi:<a href=\"https://doi.org/10.1007/s35145-019-0038-5\">10.1007/s35145-019-0038-5</a>","mla":"Ditter, Jan, et al. “Entfüge- und Fügekonzepte für geklebte Leichtbaustrukturen.” <i>adhäsion KLEBEN &#38;amp; DICHTEN</i>, vol. 63, no. 6, Springer Science and Business Media LLC, 2019, pp. 18–25, doi:<a href=\"https://doi.org/10.1007/s35145-019-0038-5\">10.1007/s35145-019-0038-5</a>."},"quality_controlled":"1","page":"18-25","_id":"64779","publisher":"Springer Science and Business Media LLC","user_id":"53912","volume":63,"status":"public"},{"type":"journal_article","department":[{"_id":"157"}],"date_created":"2020-09-29T06:53:00Z","issue":"6","publication":"Adhäsion Kleben&Dichten","citation":{"short":"J. Ditter, G. Meschut, T.M. 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Hanf und Hanfprodukte. <i>Ernährungs Umschau</i>. 2019;2019(12):S87-S90.","mla":"Knies, Jana Maria. “Hanf Und Hanfprodukte.” <i>Ernährungs Umschau</i>, vol. 2019, no. 12, 2019, pp. S87–90.","short":"J.M. Knies, Ernährungs Umschau 2019 (2019) S87–S90.","chicago":"Knies, Jana Maria. “Hanf Und Hanfprodukte.” <i>Ernährungs Umschau</i> 2019, no. 12 (2019): S87–90.","ieee":"J. M. Knies, “Hanf und Hanfprodukte,” <i>Ernährungs Umschau</i>, vol. 2019, no. 12, pp. S87–S90, 2019.","apa":"Knies, J. M. (2019). Hanf und Hanfprodukte. <i>Ernährungs Umschau</i>, <i>2019</i>(12), S87–S90."},"page":"S87-S90","_id":"64852","language":[{"iso":"eng"}],"user_id":"30907","volume":2019,"year":"2019","status":"public","title":"Hanf und Hanfprodukte","author":[{"id":"30907","first_name":"Jana Maria","last_name":"Knies","full_name":"Knies, Jana Maria"}],"date_updated":"2026-03-05T11:34:02Z","intvolume":"      2019"},{"author":[{"id":"76510","last_name":"Khan","orcid":"0009-0006-5953-480X","first_name":"Hashim","full_name":"Khan, Hashim"}],"year":"2019","status":"public","title":"Towards More Intelligent SPARQL Querying Interfaces","date_updated":"2025-09-15T11:52:03Z","_id":"56485","language":[{"iso":"eng"}],"user_id":"76510","citation":{"mla":"Khan, Hashim. “Towards More Intelligent SPARQL Querying Interfaces.” <i>International Semantic Web Conference</i>, 2019.","ama":"Khan H. Towards More Intelligent SPARQL Querying Interfaces. In: <i>International Semantic Web Conference</i>. ; 2019.","bibtex":"@inproceedings{Khan_2019, title={Towards More Intelligent SPARQL Querying Interfaces}, booktitle={International Semantic Web Conference}, author={Khan, Hashim}, year={2019} }","apa":"Khan, H. (2019). Towards More Intelligent SPARQL Querying Interfaces. <i>International Semantic Web Conference</i>.","ieee":"H. Khan, “Towards More Intelligent SPARQL Querying Interfaces,” 2019.","short":"H. Khan, in: International Semantic Web Conference, 2019.","chicago":"Khan, Hashim. “Towards More Intelligent SPARQL Querying Interfaces.” In <i>International Semantic Web Conference</i>, 2019."},"publication":"International Semantic Web Conference","abstract":[{"text":"Over years, the Web of Data has grown significantly. Various interfaces such as SPARQL endpoints, data dumps, and Triple Pattern Fragments (TPF) have been proposed to provide access to this data. Studies show that many of the SPARQL endpoints have availability issues. The data dumps do not provide live querying capabilities. The TPF solution aims to provide a trade-off between the availability and performance by dividing the workload among TPF servers and clients. In this solution, the TPF server only performs the triple patterns execution of the given SPARQL query. While the TPF client performs the joins between the triple patterns to compute the final resultset of the SPARQL query. High availability is achieved in TPF but increase in network bandwidth and query execution time lower the performance. We want to propose a more intelligent SPARQL querying server to keep the high availability along with high query execution performance, while minimizing the network bandwidth. The proposed server will offer query execution services (can be single triple patterns or even join execution) according to the current status of the workload. If a server is free, it should be able to execute the complete SPARQL query. Thus, the server will offer execution services while avoiding going beyond the maximum query processing limit, i.e. the point after which the performance start decreasing or even service shutdown. Furthermore, we want to develop a more intelligent client, which keeps track of a server’s processing capabilities and therefore avoid DOS attacks and crashes.","lang":"eng"}],"date_created":"2024-10-10T11:53:15Z","keyword":["dice group_aksw hashim ngonga opal saleem simba"],"type":"conference"},{"user_id":"36964","page":"272","language":[{"iso":"ger"}],"_id":"61308","publisher":"Schnell & Steiner","publication_status":"published","date_updated":"2025-09-16T13:36:53Z","status":"public","title":"Neue Forschungen zur Wandmalerei des Mittelalters","year":"2019","author":[{"last_name":"Heinrichs","first_name":"Ulrike","full_name":"Heinrichs, Ulrike","id":"36964"},{"full_name":"Pick, Katharina","first_name":"Katharina","last_name":"Pick"}],"publication_identifier":{"isbn":["978-3-7954-3358-1"]},"type":"book","date_created":"2025-09-16T13:36:49Z","place":"Regensburg","citation":{"short":"U. Heinrichs, K. Pick, Neue Forschungen zur Wandmalerei des Mittelalters, Schnell &#38; Steiner, Regensburg, 2019.","chicago":"Heinrichs, Ulrike, and Katharina Pick. <i>Neue Forschungen zur Wandmalerei des Mittelalters</i>. Regensburg: Schnell &#38; Steiner, 2019.","ieee":"U. Heinrichs and K. Pick, <i>Neue Forschungen zur Wandmalerei des Mittelalters</i>. Regensburg: Schnell &#38; Steiner, 2019.","apa":"Heinrichs, U., &#38; Pick, K. (2019). <i>Neue Forschungen zur Wandmalerei des Mittelalters</i>. Schnell &#38; Steiner.","bibtex":"@book{Heinrichs_Pick_2019, place={Regensburg}, title={Neue Forschungen zur Wandmalerei des Mittelalters}, publisher={Schnell &#38; Steiner}, author={Heinrichs, Ulrike and Pick, Katharina}, year={2019} }","ama":"Heinrichs U, Pick K. <i>Neue Forschungen zur Wandmalerei des Mittelalters</i>. Schnell &#38; Steiner; 2019.","mla":"Heinrichs, Ulrike, and Katharina Pick. <i>Neue Forschungen zur Wandmalerei des Mittelalters</i>. Schnell &#38; Steiner, 2019."}}]