Scientific productions

Preprints

• Observability estimates for the Schrödinger equation on the equilateral triangle (with David Lafontaine) [arXiv].

• Hypoelliptic estimates for linear transport operators [arXiv].

Peer-reviewed papers

• Unique continuation estimates for Baouendi-Grushin equations on cylinders (with A. Seelmann) [arXiv].
  Pure and Applied Analysis, vol. 7 (2025), no. 3, pp. 733-770.

• A smoothing effect for the fractional Schrödinger equations on the circle and observability (with N. Tzvetkov) [arXiv].
  International Mathematics Research Notices, vol. 2025 (2025), no. 8, 20 pp.

• Quantitative spectral inequalities for the anisotropic Shubin operators and applications to null-controllability (with A. Seelmann) [arXiv].
  Comptes Rendus. Mathématique, vol. 362 (2024), pp. 1635-1659.

• Null-controllability of evolution equations associated with fractional Shubin operators through quantitative Agmon estimates [arXiv].
  Annales de l'Institut Fourier, vol. 74 (2024), no. 4, pp. 1671-1720.

• Null-controllability for weakly dissipative heat-like equations (with A. Koenig) [arXiv].
  Evolution Equations and Control Theory, vol. 13 (2024), no. 3, pp. 973-988.

• Gains of integrability and local smoothing effects for quadratic evolution equations (with J. Bernier) [arXiv]. 
  Journal of Functional Analysis, vol. 285 (2023), 110119, 35 pp.

• Approximate null-controllability with uniform cost for the hypoelliptic Ornstein-Uhlenbeck equations (with J. Martin)  [arXiv].
  SIAM Journal on Control and Optimization, vol. 61 (2023), pp. 1679-1711.

• Polar decomposition of semigroups generated by non-selfadjoint quadratic differential operators and regularizing effects (with J. Bernier) [arXiv].
  Annales scientifiques de l'École normale supérieure (4), vol. 56 (2023), no. 2, pp. 323-382.

• Description of the smoothing effects of semigroups generated by fractional Ornstein-Uhlenbeck operators and subelliptic estimates [arXiv].
  Journal of Evolution Equations, vol. 22 (2022), no. 28, 25 pp.

• Stabilization and approximate null-controllability for a large class of diffusive equations from thick control supports (with J. Martin) [arXiv].
  ESAIM: Control, Optimization and Calculus of Variations, vol. 28 (2022), no. 16, 30 pp.

• Quadratic differential equations: partial Gelfand-Shilov smoothing effect and null-controllability [arXiv].
  Journal of the Institute of Mathematics of Jussieu, vol. 20 (2021), no. 6, pp. 1749-1801.

• Smoothing properties of fractional Ornstein-Uhlenbeck semigroups and null-controllability (with J. Bernier) [arXiv].
  Bulletin des Sciences Mathématiques, vol. 165 (2020), 102914, 52 pp.

Thesis

Régularité des solutions et contrôlabilité d'équations d'évolution associées à des opérateurs non autoadjoints, defended on 5 June 2020 [manuscript].