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Résumé : It is well known that Charles Hermite kept an intense correspondence with many of the world’s leading mathematicians of his time. This paper focuses on Hermite’s letters to Francisco Go...

Résumé : The Nouvelles annales de mathématiques were a French mathematical journal, published between 1842 and 1927, intended for teachers and students. In this paper, I rely on a systematic ana...

Nous apprenons le décès de Vaughan Jones le 06 septembre 2020.

La lettre de l'IMU (juillet-août 2020) est disponible.

International Congress of Mathematicians (ICM) is the most significant meeting in pure and applied mathematics, and one of the oldest scientific congresses. The first ICM took place in Zurich, Switzerland, in 1897. ICMs ...

Résumé : We use mixed Hodge theory to show that the functor of singular chains with rational coefficients is formal as a lax symmetric monoidal functor, when restricted to complex varieties whos...

Résumé : Let $f: X \to Y$ be a dominant morphism of smooth, proper and geometrically integral varieties over a number field $k$, with geometrically integral generic fiber. We give a necessary an...