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François Ledrappier

French mathematician (born 1946) From Wikipedia, the free encyclopedia

François Ledrappier
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François Ledrappier (born 17 January 1946) is a French mathematician.

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François Ledrappier, Oberwolfach 1976

Ledrappier graduated from the École Polytechnique in 1967 and received his doctorate from Pierre and Marie Curie University (Paris 6) in 1975 under the supervision of Jacques Neveu.[1] Ledrappier taught at Paris 6 and then became a professor at South Bend's University of Notre Dame, where he is now professor emeritus.

His research deals with asymptotic properties of group actions and related problems. He has published articles on dynamical systems theory, compact negatively curved manifolds and their abelian covers, linear actions and random walks on linear groups, geometric measure theory, and zero entropy algebraic actions of free abelian groups.[2]

In 1994 Ledrappier was an invited speaker at the International Congress of Mathematicians in Zurich.[3] In 2016 he received the Sophie Germain Prize.[4]

His doctoral students include Nalini Anantharaman.[1]

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