- E-Mail:
- christian.offen@uni-paderborn.de
- Phone:
- +49 5251 60-5023
- ORCID:
- 0000-0002-5940-8057
- Social Media:
- Office Address:
-
Technologiepark 21
33100 Paderborn - Room:
- TP21.1.14
About Christian Offen
Curriculum Vitae
15.08.2022 - 30.04.2024: Senior Researcher
Paderborn University, Institute of Mathematics, project "Photonic Quantum Computing", Ministry of Culture and Science of the State of North Rhine-Westphalia, group Numerical Mathematics and Control (Prof. Sina Ober-Blöbaum)
24.08.2020 - 14.08.2022: Postdoctoral Researcher
Paderborn University, Department of Mathematics. Group Numerical Mathematics and Control (Prof. Sina Ober-Blöbaum).
04.11.2016 - 23.09.2020: PhD in Mathematics
Massey University, New Zealand. Thesis: Analysis of Hamiltonian boundary value problems and symplectic integration, advisor: Dist. Prof. Robert McLachlan. (2019 - Hatherton Award, 2020 - Dean's List of Exceptional Theses)
10/2014 - 09/2016: Master of Science Mathematics
University of Hamburg, Master studies. Thesis: Seiberg-Witten Curves and Parabolic Affine Spheres (Differential Geometry), advisor: Prof. Dr. Vicente Cortés
10/2011 - 09/2014: Bachelor of Science Mathematics
University of Hamburg, Bachelor studies. Thesis: Classification of solutions of the Monge-Ampère equation in the finitely punctured plane (Differential Geometry), advisor: Prof. Dr. Vicente Cortés
21.08.2020: Thesis Award
Honour of inclusion of my doctoral thesis in the Dean’s List of Exceptional Doctoral Theses as the only thesis in the subject of Mathematics in 2020.
17.10.2019: Hatherton Award 2019
Best scientific paper by a PhD student at any New Zealand university in chemical sciences, physical sciences, mathematical and information sciences - Royal Society of New Zealand (Hatherton Award 2019)
06.12.2017: Aitken Prize (Honorary mention)
Honorary mention in the Aitken Prize of the New Zealand Mathematical Society for the talk "Bifurcations of solutions to Hamiltonian boundary value problems"
01.05.2014: German Academic Scholarship Foundation
Award of a scholarship by the German Academic Scholarship Foundation (Studienstiftung des deutschen Volkes)
17.05.2011: Award by the German Mathematical Society (Abiturpreis)
Award for outstanding highschool graduates by the German Mathematical Society
Research
Research Interests
- Structure-preserving numerical integration
- Data-driven models for dynamical systems (especially Hamiltonian/Lagrangian systems)
- Kernel-based methods
- Multi-symplectic integration
- Lie group methods
- Bifurcation theory
Publications
Latest Publications
Multiphoton, multimode state classification for nonlinear optical circuits
D. Kopylov, C. Offen, L. Ares, B.E. Wembe Moafo, S. Ober-Blöbaum, T. Meier, P. Sharapova, J. Sperling, (n.d.).
Machine learning of continuous and discrete variational ODEs with convergence guarantee and uncertainty quantification
C. Offen, (n.d.).
Learning of discrete models of variational PDEs from data
C. Offen, S. Ober-Blöbaum, Chaos 34 (2024).
Machine learning of discrete field theories with guaranteed convergence and uncertainty quantification
C. Offen, (n.d.).
Discrete Lagrangian Neural Networks with Automatic Symmetry Discovery
Y. Lishkova, P. Scherer, S. Ridderbusch, M. Jamnik, P. Liò, S. Ober-Blöbaum, C. Offen, in: IFAC-PapersOnLine, Elsevier, 2023, pp. 3203–3210.
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Teaching
Current Courses
- Dynamische Systeme im maschinellen Lernen und in Netzwerken (Übung)
- Dynamische Systeme im maschinellen Lernen und in Netzwerken