@articleOffen_Ober-Blöbaum_2024, title=Learning of discrete models of variational PDEs from data, volume=34, DOI=10.1063/5.0172287, number=1013104, journal=Chaos, publisher=AIP Publishing, author=Offen, Christian and Ober-Blöbaum, Sina, year=2024 
LibreCat: /record/46469
DOI: 10.1063/5.0172287
arXiv: 2308.05082 

@articleOffen, title=Machine learning of continuous and discrete variational ODEs with convergence guarantee and uncertainty quantification, author=Offen, Christian 
LibreCat: /record/53805
arXiv: arXiv:2404.19626

@inproceedingsOffen_Ober-Blöbaum_2023, series=Lecture Notes in Computer Science (LNCS), title=Learning discrete Lagrangians for variational PDEs from data and detection of travelling waves, volume=14071, DOI=10.1007/978-3-031-38271-0_57, booktitle=Geometric Science of Information, publisher=Springer, Cham., author=Offen, Christian and Ober-Blöbaum, Sina, editor=Nielsen, F and Barbaresco, F, year=2023, pages=569–579, collection=Lecture Notes in Computer Science (LNCS) 
LibreCat: /record/42163
DOI: 10.1007/978-3-031-38271-0_57
arXiv: 2302.08232 

@articleOber-Blöbaum_Offen_2023, title=Variational Learning of Euler–Lagrange Dynamics from Data, volume=421, DOI=10.1016/j.cam.2022.114780, journal=Journal of Computational and Applied Mathematics, publisher=Elsevier, author=Ober-Blöbaum, Sina and Offen, Christian, year=2023, pages=114780 
LibreCat: /record/29240
DOI: 10.1016/j.cam.2022.114780
arXiv: 2112.12619

@articleMcLachlan_Offen_2023, title=Backward error analysis for conjugate symplectic methods, volume=15, DOI=10.3934/jgm.2023005, number=1, journal=Journal of Geometric Mechanics, publisher=AIMS Press, author=McLachlan, Robert and Offen, Christian, year=2023, pages=98–115 
LibreCat: /record/29236
DOI: 10.3934/jgm.2023005
arXiv: 2201.03911

@articleDierkes_Offen_Ober-Blöbaum_Flaßkamp_2023, title=Hamiltonian Neural Networks with Automatic Symmetry Detection, volume=33, DOI=10.1063/5.0142969, number=6063115, journal=Chaos, publisher=AIP Publishing, author=Dierkes, Eva and Offen, Christian and Ober-Blöbaum, Sina and Flaßkamp, Kathrin, year=2023 
LibreCat: /record/37654
DOI: 10.1063/5.0142969
arXiv: 2301.07928

@articleDellnitz_Hüllermeier_Lücke_Ober-Blöbaum_Offen_Peitz_Pfannschmidt_2023, title=Efficient time stepping for numerical integration using reinforcement  learning, volume=45, DOI=10.1137/21M1412682, number=2, journal=SIAM Journal on Scientific Computing, author=Dellnitz, Michael and Hüllermeier, Eyke and Lücke, Marvin and Ober-Blöbaum, Sina and Offen, Christian and Peitz, Sebastian and Pfannschmidt, Karlson, year=2023, pages=9–5 
LibreCat: /record/21600
DOI: 10.1137/21M1412682
arXiv: arXiv:2104.03562

@inproceedingsLishkova_Scherer_Ridderbusch_Jamnik_Liò_Ober-Blöbaum_Offen_2023, title=Discrete Lagrangian Neural Networks with Automatic Symmetry Discovery, volume=56, DOI=10.1016/j.ifacol.2023.10.1457, number=2, booktitle=IFAC-PapersOnLine, publisher=Elsevier, author=Lishkova, Yana and Scherer, Paul and Ridderbusch, Steffen and Jamnik, Mateja and Liò, Pietro and Ober-Blöbaum, Sina and Offen, Christian, year=2023, pages=3203–3210 
LibreCat: /record/34135
DOI: 10.1016/j.ifacol.2023.10.1457
arXiv: 2211.10830

@articleMcLachlan_Offen_2022, title=Backward error analysis for variational discretisations of partial  differential equations, volume=14, DOI=10.3934/jgm.2022014, number=3, journal=Journal of Geometric Mechanics, publisher=AIMS, author=McLachlan, Robert I and Offen, Christian, year=2022, pages=447–471 
LibreCat: /record/19941
DOI: 10.3934/jgm.2022014
arXiv: 2006.14172

@articleOffen_Ober-Blöbaum_2022, title=Symplectic integration of learned Hamiltonian systems, volume=32(1), DOI=10.1063/5.0065913, journal=Chaos: An Interdisciplinary Journal of Nonlinear Science, publisher=AIP, author=Offen, Christian and Ober-Blöbaum, Sina, year=2022 
LibreCat: /record/23382
DOI: 10.1063/5.0065913
arXiv: 2108.02492

@articleOffen_Ober-Blöbaum_2021, series=IFAC-PapersOnLine, title=Bifurcation preserving discretisations of optimal control problems, volume=54(19), DOI=https://doi.org/10.1016/j.ifacol.2021.11.099, author=Offen, Christian and Ober-Blöbaum, Sina, year=2021, pages=334–339, collection=IFAC-PapersOnLine 
LibreCat: /record/22894
DOI: https://doi.org/10.1016/j.ifacol.2021.11.099
arXiv: 2107.13853

@inproceedingsRidderbusch_Offen_Ober-Blöbaum_Goulart_2021, title=Learning ODE Models with Qualitative Structure Using Gaussian Processes , DOI=10.1109/CDC45484.2021.9683426, booktitle=2021 60th IEEE Conference on Decision and Control (CDC), publisher=IEEE, author=Ridderbusch, Steffen and Offen, Christian and Ober-Blöbaum, Sina and Goulart, Paul, year=2021, pages=2896 
LibreCat: /record/21572
DOI: 10.1109/CDC45484.2021.9683426
arXiv: 2011.05364

@articleMcLachlan_Offen_2020, title=Preservation of Bifurcations of Hamiltonian Boundary Value Problems Under Discretisation, volume=20, DOI=10.1007/s10208-020-09454-z, number=6, journal=Foundations of Computational Mathematics, author=McLachlan, Robert I and Offen, Christian, year=2020, pages=1363–1400 
LibreCat: /record/19938
DOI: 10.1007/s10208-020-09454-z

@articleKreusser_McLachlan_Offen_2020, title=Detection of high codimensional bifurcations in variational PDEs, volume=33, DOI=10.1088/1361-6544/ab7293, number=5, journal=Nonlinearity, author=Kreusser, Lisa Maria and McLachlan, Robert I and Offen, Christian, year=2020, pages=2335–2363 
LibreCat: /record/19939
DOI: 10.1088/1361-6544/ab7293

@bookOffen_2020, place=Palmerston North, New Zealand, title=Analysis of Hamiltonian boundary value problems and symplectic integration, publisher=Massey University, author=Offen, Christian, year=2020 
LibreCat: /record/19947

@articleMcLachlan_Offen_Tapley_2019, title=Symplectic integration of PDEs using Clebsch variables, volume=6, DOI=10.3934/jcd.2019005, number=1, journal=Journal of Computational Dynamics, publisher=American Institute of Mathematical Sciences (AIMS), author=McLachlan, Robert I and Offen, Christian and Tapley, Benjamin K, year=2019, pages=111–130 
LibreCat: /record/19945
DOI: 10.3934/jcd.2019005

@articleMcLachlan_Offen_2018, title=Bifurcation of solutions to Hamiltonian boundary value problems, DOI=10.1088/1361-6544/aab630, journal=Nonlinearity, author=McLachlan, Robert I and Offen, Christian, year=2018, pages=2895–2927 
LibreCat: /record/19935
DOI: 10.1088/1361-6544/aab630

@articleMcLachlan_Offen_2018, title=Symplectic integration of boundary value problems, DOI=10.1007/s11075-018-0599-7, journal=Numerical Algorithms, author=McLachlan, Robert I and Offen, Christian, year=2018, pages=1219–1233 
LibreCat: /record/19937
DOI: 10.1007/s11075-018-0599-7

@articleOffen, title=Local intersections of Lagrangian manifolds correspond to catastrophe  theory, journal=arXiv:1811.10165, author=Offen, Christian 
LibreCat: /record/19940
arXiv: 1811.10165

@articleMcLachlan_Offen_2018, title=Hamiltonian boundary value problems, conformal symplectic symmetries, and conjugate loci, volume=48, DOI=10.53733/34 , journal=New Zealand Journal of Mathematics, author=McLachlan, Robert I and Offen, Christian, year=2018, pages=83–99 
LibreCat: /record/19943
DOI: 10.53733/34 
arXiv: 1804.07479