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Monday, March 14th, 2016

    Time Event
    2:43p
    http://arxiv.org/abs/1603.03643

    Large deviations principle for some beta-ensembles
    Tien-Cuong Dinh, Viet-Anh Nguyen
    (Submitted on 11 Mar 2016)

    Let L be a positive line bundle over a projective complex manifold X. Consider the space of holomorphic sections of the tensor power of order p of L. The determinant of a basis of this space, together with some given probability measure on a weighted compact set in X, induces naturally a beta-ensemble, i.e., a random point process on the compact set. Physically, this general setting corresponds to a gas of free fermions in X and may admit some random matrix models. The empirical measures, associated with such beta-ensembles, converge almost surely to an equilibrium measure when p goes to infinity. We establish a large deviations principle (LDP) with an effective speed of convergence for these empirical measures. Our study covers the case of some beta-ensembles on a compact subset of a real sphere or of a real Euclidean space.

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