Universality limits for random matrices and de Branges spaces of entire functions |
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Authors: | D.S. Lubinsky |
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Affiliation: | School of Mathematics, Georgia Institute of Technology, Atlanta, GA 30332-0160, USA |
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Abstract: | We prove that de Branges spaces of entire functions describe universality limits in the bulk for random matrices, in the unitary case. In particular, under mild conditions on a measure with compact support, we show that each possible universality limit is the reproducing kernel of a de Branges space of entire functions that equals a classical Paley-Wiener space. We also show that any such reproducing kernel, suitably dilated, may arise as a universality limit for sequences of measures on [−1,1]. |
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Keywords: | Random matrices Universality limits de Branges spaces Orthogonal polynomials |
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