Chenjiayue Qi

I'm currently a third-year Ph.D. student at IHES, University of Paris-Saclay. At IHES, I'm fortunate to have Thierry Bodineau as my PhD supervisor.

E-mail: chenjiayue@ihes.fr

Research Interest

Large-scale behavior of interacting particle systems, either deterministic (hard sphere gas) or stochastic (simple exclusion process).
Microscopic and probabilistic interpretations of gas/fluid dynamics with singularity.

Singular Vortex in the Large Deviation of Empirical Current for Symmetric Simple Exclusion Process forthcoming
Boltzmann Equation and Hard Sphere Gas with Singular Initial Data: Well-posedness, Kinetic Limit, and Weak Stability arXiv:2610.31570
Global Solution of a Functional Hamilton-Jacobi Equation associated with a Hard Sphere Gas. arXiv:2409.02805 Slide: 1hr version Poster Slide: 20mins version
An Infinite-times Renewal Equation. arXiv:2304.01605, with Xu'an Dou, Benoît Perthame, Delphine Salort, and Zhennan Zhou. Annals of Applied Probability to appear Slide

From 3rd November to 23th November, at Sapienza University of Rome , invited by Prof. Sergio Simonella .

Workshop Kinetic Equations and Scaling Limits, invited talk, 7th December 2026
Rencontres de Probabilités 2026, invited talk, 19th to 20th November 2026
Seminar of Analysis at IHES, invited talk, 4th November 2026
Seminar of Probability, University Evry Paris-Saclay, invited talk, 4th June 2026.
Seminar of Mathematical Physics, Sapienza University of Rome, invited talk, 5th November 2025.
Statistical Aspects of Nonlinear Physics, IHES, short talk, 3rd July 2025.
Kinetic Equations and Turbulence (On the occasion of Claude Bardos's 85th Birthday), Poster Presentation, 8th Apr 2025.
Markov Chain Working Group, at LJLL of Sorbonne Université, invited talk, 13th Mar 2025.
Seminar on Probability and Financial Maths, at LaMME of University Evry Paris-Saclay, invited talk, 19th Dec 2024.
LJLL PhD Seminar, at LJLL of Sorbonne Université, invited talk, 16th Oct 2024.
Analysis Research Interaction Team Seminar, at BICMR of Peking University, invited talk, 26th Sep 2024.
Zu Chongzhi Center Mathematics Research Seminar, at Zu Chongzhi Center for Mathematics and Computational Sciences of Duke Kunshan University, invited talk, 7th Apr 2023.
Research Seminar of Zhennan Zhou, at BICMR of Peking University, invited talk, 6th Apr 2023.

Photo taken by @Flann Mérer at IHES

Photo taken by @Ning Jiang at IHES

2024.9-2027.9 (Expected): Ph.D. Candidate at IHES, University of Paris-Saclay, thesis supervised by Thierry Bodineau.
In 2024.9, I obtained my M2 (Second Year of Master) degree at University of Paris-Saclay, thesis supervised by Laure Saint-Raymond.
In 2023.7, I obtained my Bachelor Degree with major in Philosphy, at Peking University.