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- W3094579533 abstract "We consider a class of one-dimensional nonselfadjoint semiclassical pseudo-differential operators, subject to small random perturbations, and study the statistical properties of their (discrete) spectra, in the semiclassical limit h → 0. We compare two types of random perturbation: a random potential vs. a random matrix. Hager and Sjostrand had shown that, with high probability, the local spectral density of the perturbed operator follows a semiclassical form of Weyl's law, depending on the value distribution of the principal symbol of our pseudodifferential operator. Beyond the spectral density, we investigate the full local statistics of the perturbed spectrum, and show that it satisfies a form of universality: the statistical only depends on the local spectral density, and of the type of random perturbation, but it is independent of the precise law of the perturbation. This local statistics can be described in terms of the Gaussian Analytic Function, a classical ensemble of random entire functions." @default.
- W3094579533 created "2020-10-29" @default.
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- W3094579533 date "2021-01-21" @default.
- W3094579533 modified "2023-09-26" @default.
- W3094579533 title "Local eigenvalue statistics of one-dimensional random nonselfadjoint pseudodifferential operators" @default.
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- W3094579533 doi "https://doi.org/10.4171/jems/1039" @default.
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