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High-dimensional limits of eigenvalue distributions for general Wishart process

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arxiv 1901.02190 v3 pith:UKUVGBUZ submitted 2019-01-08 math.PR

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keywords eigenvaluesequationhigh-dimensionallimitmeasuresdeswishartarticle
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In this article, we obtain an equation for the high-dimensional limit measure of eigenvalues of generalized Wishart processes, and the results is extended to random particle systems that generalize SDEs of eigenvalues. We also introduce a new set of conditions on the coefficient matrices for the existence and uniqueness of a strong solution for the SDEs of eigenvalues. The equation of the limit measure is further discussed assuming self-similarity on the eigenvalues.

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  1. High-dimensional central limit theorems for eigenvalue distributions of generalized Wishart processes

    math.PR 2019-08 conditional novelty 6.0 of 10

    The N-scaled fluctuations of empirical eigenvalue measures of generalized Wishart processes and related particle systems converge to explicit Gaussian processes, yielding CLTs for Wishart, Dyson Brownian motion, and O...

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