Places, people, and a few moments around mathematics.
My cat, Panghu 胖虎Gérard in BeijingBeijing, July 2026Mont BlancFebruary 2026After my defense2025 From left: Hervé Gaussier, me, and Gérard BessonBanquet after my defense2025 Standing: Pierre Py, Vincent Koziarz, and Alix Deruelle Greg McShane in the black hat; at right: Gérard Besson and Hervé GaussierUCICalifornia, 2025Les Sept LauxFrance, 2024ColosseoRome, 2024A short course in RomeGérard Besson, 2024Les Deux AlpesFrance, 2023After rainRainbow from my office window, 2023Chinese students at Institut Fourier2023 Left, from front: Me, Tianyi Lou, Keyao Peng Right, from front: Jing Liu, Yibo Zhang, Zhiqiang HeChinese students at Institut Fourier2022 Left, from front: Me, Bingyu Zhang, Yibo Zhang Right, from front: Keyao Peng, Zhiqiang He, Ziling LiWith Gérard2022Campus ValroseNice, 2022First day at Institut FourierGrenoble, 2022
