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Lucas Perrin
Lucas Perrin
Since October 2024 I am a Post-Doctoral researcher at Universität Konstanz within Stefan Volkwein's Arbeitsgruppe Chair for Numerical Optimization.
Part of my work is in collaboration with Virtual Vehicule GmbH.
Previously, from September 2021 to August 2024, I was a Ph. D. candidate at INRIA Paris (ANGE team) and Laboratoire Jacques Louis Lions (Sorbonne Université) under the supervision of Julien Salomon.
Research areas
Research areas
My research lies in numerical analysis, mainly reduced-order modelling, parallel (in time) computing and data assimilation (observation and control of dynamical systems). I am also deeply interested in computational fluid dynamics, HPC, and machine learning.
Here is my CV in English.
Seminars
Seminars
Co-organiser of the research school IMPDE 23 with Liu-Di Lu and Bastien Chaudet-Dumas.
Workgroup
Workgroup
From April 2022 to May 2023, I co-organised the Ph. D. Seminar (GTT) of the LJLL.
P. Lissy, L. Perrin, Theoretical and numerical study of the convergence of Luenberger observers for a linearized water wave model, (2025) (preprint)
L. Sala , P. J. Hossie , B. Laroche, T. Malou , L. Perrin , T. Saigre. Surrogate modeling of interactions in microbial communities through Physics-Informed Neural Networks, in ESAIM: Proceedings and Surveys, Vol. 78, p. 106-124. (June 2025) (preprint)
F. Hecht, S.M. Kaber, L. Perrin, A. Plagne, J. Salomon. Parallel approximation of the exponential of hermitian matrices, (2023) (preprint)
Ph.D. Thesis: L. Perrin, Parallelization and assimilation methods. Applications to gravity flows, (2024) Ph.D. Thesis (hal)
Teaching:
Teaching:
Konstanz (2024 - ...):
Konstanz (2024 - ...):
2024-2025 (Summer) : Optimization I, Behzad Azmi
2024-2025 (Winter) : Optimization II, Behzad Azmi
Paris (2021 - 2024):
Paris (2021 - 2024):
2023-24 (S1) : Polytech Sorbonne, Licence 3, Fabien Vergnet, TP Python
2023-24 (S1) : Polytech Sorbonne, Licence 3, Laurent Lazzarini, Analyse de Fourier
2023-24 (S1) : Polytech Sorbonne, Licence 3, Claire David, Algèbre Linéaire
2022-23 (S2) : Université Paris Dauphine, Licence 3, Pierre Lissy, Analyse fonctionnelle et hilbertienne
2022-23 (S1) : Polytech Sorbonne, Licence 3, Fabien Vergnet, Analyse de Fourier
2021-22 (S2) : Université Paris Dauphine, Licence 2, Guillaume Legendre, Méthodes numériques : algèbre matricielle et fonctions d'une variable réelle
Communication (Talks & Posters):
Communication (Talks & Posters):
June 2025: DD29 (Milano, IT)
June 2025: SMAI2025 (Carcans, FR) - Theoritical and numerical study of the convergence of Luenberger observers for a Linearized Water Waves model - (Slides)
May 2025: YMMOR (Trieste, IT) - Reduced-Order Modeling of Heat Transfer via Finite Volume Discretization - (Slides)
Nov 2024: PhD Defence (Paris, FR) (Slides)
Aug 2023 : CEMRACS23 (Marseille, FR) - Simulating interactions in microbial communities through Physics Informed Neural Networks: towards interaction estimation - (Slides)
June 2023: Numhyp23 (Bordeaux, FR) - Assimilation of free-surface observation for a Linear Water Wave model - (Poster)
June 2023: Workshop: Assimilation, Control and Computational Speedup (Villetaneuse, FR) - - (Slides)
Fev 2023 : GTE MAP5 (Paris, FR) - Approximation parallèle de l’exponentielle des matrices hermitiennes - (Slides in french)
June 2022 : CANUM 20 (Evian-Les-Bains, FR) - Time parallelization for data assimilation - (Slides)
May 2022 : EMRSIM 22 (Roscoff, FR) - Time parallelization and data assimilation - (Slides)
Dec. 2021 : A presentation of ParaReal (for the M2 course of Laura Grigori on HPC)
Other seminars attended:
Other seminars attended:
May 2024 : CANUM 24 (Le-Bois-Plage-en-Ré, FR)
Oct. 2023 : Coastal Wave Modelling (Île d'Aix, FR)
June 2023 : CEMRACS23 (Marseille, FR)
May 2022 : Research School High Dimensional Approximation and Deep Learning (Nantes, FR)
Nov. 2021 : Summer School on advanced DD methods (Milano, IT)
Contact:
Contact:
Universität Konstanz
Address:
Chair for Numerical Optimization
Department of Mathematics and Statistics
Universität Konstanz
Universitätsstraße 10, 78464 Konstanz, Germany
Room:
D214
E-mail:
lucas.perrin@uni-konstanz.de
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