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#### Spaces of norms and Geometric Invariant Theory

SpeakerSebastien Boucksom is a French mathematician specializing in complex and non-Archimedean geometry. After defending his PhD thesis in 2002 under the supervision of Jean-Pierre Demailly, he became a CNRS Junior Researcher at the Institut de Mathematiques de Jussieu in 2003, then a CNRS Senior Researcher in 2014, first at the Ecole Polytechnique, and then at the Institut de Mathematiques de...

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#### Modern Mathematics Lecture Series | Dynamics on character varieties and Hodge theory

AbstractLet X_n be the set of tuples of 2x2 matrices (A_1, A_2, ..., A_n) such that the product A_1...A_n is the identity matrix, and considered up to simultaneous conjugation. On each X_n, there is a very classical and explicit action of the so-called braid group B_n. This is an elementary case of the so-called mapping class group action on the character varieties of surface groups, and was st...

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