
معرفی
Jean Lécureux is a Lecturer at the Department of Mathematics within the Faculty of Sciences of Orsay at the University of Paris-Saclay. His research focuses on geometric group theory, specifically exploring buildings, their boundaries, Poisson boundaries, rigidity phenomena, and random walks in CAT(0) spaces. He has supervised the PhD of Corentin Le Bars (2023), currently a postdoc at the Weizmann Institute, and is currently advising Antoine Derimay's PhD.
His work spans advanced topics such as the Normal Subgroup Theorem for groups acting on Ã₂ buildings, superrigidity in algebraic group actions, and geometric density of invariant random subgroups. Notable contributions include foundational studies on CAT(0) cubical complexes and boundary maps in infinite-dimensional Hermitian symmetric spaces. He holds a PhD from 2009 under Bertrand Rémy and an habilitation (2020) titled 'Bords et rigidité en courbure négative ou nulle.'
Publications highlight interdisciplinary approaches to geometric structures, with key journals including Annales scientifiques de l'École normale supérieure, American Journal of Mathematics, and Groups, Geometry, and Dynamics. His pedagogical contributions include a 2017 paper on evaluation strategies in university mathematics education.




