Finite Rank Perturbations of Heavy-Tailed Wigner Matrices

Simona Diaconu

One-rank perturbations of Wigner matrices have been closely studied: let $P=\frac{1}{\sqrt{n}}A+\theta v{v}^T$ with $A=(a_{ij}{)}_{1\le i,j\le n}\in {\mathbb{R}}^{n\times n}$ symmetric,…