English

Large deviations for the smallest eigenvalue of a deformed GOE with an outlier

Probability 2026-04-22 v3

Abstract

We establish a large deviation principle for the smallest eigenvalue of a random matrix model composed of the sum of a GOE matrix and a diagonal matrix with an outlier. Our result generalizes and unifies previously studied cases.

Keywords

Cite

@article{arxiv.2408.09256,
  title  = {Large deviations for the smallest eigenvalue of a deformed GOE with an outlier},
  author = {Jeanne Boursier and Alice Guionnet},
  journal= {arXiv preprint arXiv:2408.09256},
  year   = {2026}
}