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Institut de Mathématiques de Marseille, UMR 7373
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Sergey BEREZIN - Speed of convergence in the central limit theorem for unitary ensembles
14h00 - 15h00
horaire CMI, salle de séminaire R164 (1er étage)

I2M - Château-Gombert
39 rue Frédéric Joliot-Curie
13453 MARSEILLE cedex 13

Sergey BEREZIN (I2M, Aix-Marseille Université)

The talk revolves around the recent results on the speed of convergence
in the central limit theorem for classical unitary ensembles and is
based on a joint work with Alexander Bufetov. The key point of the
proof is to find a special asymptotic estimate for the characteristic
function. The Riemann-Hilbert approach helps to reduce this problem to
a purely analytical one, which can be solved by a nonlinear analog of
the steepest descent method.

Lien : ERC IChaos