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Mathematics of Computation

Published by the American Mathematical Society since 1960 (published as Mathematical Tables and other Aids to Computation 1943-1959), Mathematics of Computation is devoted to research articles of the highest quality in computational mathematics.

ISSN 1088-6842 (online) ISSN 0025-5718 (print)

The 2020 MCQ for Mathematics of Computation is 1.78.

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Splitting integrators for stochastic Lie–Poisson systems
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by Charles-Edouard Bréhier, David Cohen and Tobias Jahnke HTML | PDF
Math. Comp. 92 (2023), 2167-2216 Request permission

Abstract:

We study stochastic Poisson integrators for a class of stochastic Poisson systems driven by Stratonovich noise. Such geometric integrators preserve Casimir functions and the Poisson map property. For this purpose, we propose explicit stochastic Poisson integrators based on a splitting strategy, and analyse their qualitative and quantitative properties: preservation of Casimir functions, existence of almost sure or moment bounds, asymptotic preserving property, and strong and weak rates of convergence. The construction of the schemes and the theoretical results are illustrated through extensive numerical experiments for three examples of stochastic Lie–Poisson systems, namely: stochastically perturbed Maxwell–Bloch, rigid body and sine–Euler equations.
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Additional Information
  • Charles-Edouard Bréhier
  • Affiliation: Université de Pau et des Pays de l’Adour, E2S UPPA, CNRS, LMAP, Pau F-64013, France
  • Email: charles-edouard.brehier@univ-pau.fr
  • David Cohen
  • Affiliation: Mathematical Sciences, Chalmers University of Technology and University of Gothenburg, SE-41296 Gothenburg, Sweden
  • MR Author ID: 723107
  • ORCID: 0000-0001-6490-1957
  • Email: david.cohen@chalmers.se
  • Tobias Jahnke
  • Affiliation: Department of Mathematics, Institute for Applied and Numerical Mathematics, Karlsruhe Institute of Technology, Englerstr. 2, D-76131 Karlsruhe, Germany
  • MR Author ID: 671752
  • ORCID: 0000-0003-4480-8055
  • Email: tobias.jahnke@kit.edu
  • Received by editor(s): November 15, 2021
  • Received by editor(s) in revised form: June 17, 2022, and January 16, 2023
  • Published electronically: April 27, 2023
  • Additional Notes: The work of the first author was partially supported by the project SIMALIN (ANR-19-CE40-0016) operated by the French National Research Agency. The work of the second author was partially supported by the Swedish Research Council (VR) (projects nr. 2018-04443). The work of the third author was funded by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) – Project-ID 258734477 – SFB 1173.
  • © Copyright 2023 American Mathematical Society
  • Journal: Math. Comp. 92 (2023), 2167-2216
  • MSC (2020): Primary 60H10, 60H35, 65C30, 65P10
  • DOI: https://doi.org/10.1090/mcom/3829