Arthur Yax
PhD Student,
Département de Mathématiques,
Bâtiment 307,
Faculté des Sciences d'Orsay,
Université Paris Saclay,
F-91405 Orsay Cedex, France.
Office: 3A20
E-mail: arthur(dot)yax(at)universite-paris-saclay(dot)fr
Research Interests: control theory of PDEs, microlocal and semiclassical analysis, spectral theory and dynamical systems.
PhD subject: Damped waves without geometric control: resolvent growth and energy decay.
Advisor: Matthieu Léautaud.
Papers and preprints
Talks
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Global lower resolvent bound for damped waves,
- Rencontre des jeunes chercheureuses en analyse microlocale et géométrie, Quimper, November 2, 2026.
- PhD seminar of the ANH and ANEDP teams at the LMO, Université Paris-Saclay, October 19, 2026.
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Exponential energy decay for waves,
PhD seminar of the LAREMA, Université D'Angers, July 3, 2026. -
"Can we hear the shape of a drum?",
- PhD seminar of the LMO, Université Paris-Saclay, November 19, 2025,
- PhD seminar of the LMV, Université de Versailles Saint-Quentin-en-Yvelines, October 23, 2025.
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Uniform controllability for the wave equation with large potential,
PhD seminar of the ANH and ANEDP teams at the LMO, Université Paris-Saclay, October 14, 2025.
Other related activities
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Organization of the outreach PhD Seminar, (session 2026-2027)
with Yannis Monbru and Simone Maria Giancola at LMO. -
Organization of the PhD Seminar in Analysis, (session 2025-2026)
with Quentin Giton and Simon Le Bouëdec at LMO. -
MathTech Challenge organized by the Fondation Mathématique Jacques Hadamard, (May 2025).
One-week collaborative project carried out at the LMO with Clémentine Barat and Ewen Lallinec, focusing on the impact of meteorological uncertainties on day-ahead electricity production planning (presentation here).
Teaching activities
- Teacher Assistant (192 h) at IUT d'Orsay (computer science departement):
- First-year undergraduate level
- Numerical Methods (from 2025 to 2027),
- Digital Tools for Descriptive Statistics (from 2025 to 2027).
- Second-year undergraduate level
- Optimization Methods (2025),
- Probability (2025-2026).
- First-year undergraduate level
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Jury Member of the \(\mathbb{TFJM}^2\) (see tfjm.org), 2025 and 2026 editions.
Tournois Français des Jeunes Mathématiciennes et Mathématiciens (French Tournament for Young Mathematicians). -
Science Outreach,
Festival maths en ville, Saint-Denis, October 5, 2025 and October 3, 2026. -
Oral examinations (“colles”) in CPGE, (2023-2024)
For second year students at Lycée Polyvalent de Cachan. - Passed the french national teaching qualification (agrégation externe) in mathematics, 2023 session.
- To create beautiful drawings there is mathcha.
- Please visit the fantastic website of my officemate Ignacio Acevedo Ramos at LMO.