Largest eigenvalue of positive mean Gaussian matrices

Fuente: arXiv
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Autori principali: Chakrabarty, Arijit, Hazra, Rajat Subhra, Podder, Moumanti
Natura: Preprint
Pubblicazione: 2024
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author Chakrabarty, Arijit
Hazra, Rajat Subhra
Podder, Moumanti
author_facet Chakrabarty, Arijit
Hazra, Rajat Subhra
Podder, Moumanti
contents This short note studies the fluctuations of the largest eigenvalue of symmetric random matrices with correlated Gaussian entries having positive mean. Under the assumption that the covariance kernel is absolutely summable, it is proved that the largest eigenvalue, after centering, converges in distribution to normal with an explicitly defined mean and variance. This result generalizes known findings for Wigner matrices with independent entries.
format Preprint
id arxiv_https___arxiv_org_abs_2409_05858
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Largest eigenvalue of positive mean Gaussian matrices
Chakrabarty, Arijit
Hazra, Rajat Subhra
Podder, Moumanti
Probability
This short note studies the fluctuations of the largest eigenvalue of symmetric random matrices with correlated Gaussian entries having positive mean. Under the assumption that the covariance kernel is absolutely summable, it is proved that the largest eigenvalue, after centering, converges in distribution to normal with an explicitly defined mean and variance. This result generalizes known findings for Wigner matrices with independent entries.
title Largest eigenvalue of positive mean Gaussian matrices
topic Probability
url https://arxiv.org/abs/2409.05858