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05/18/2020
Overlaps, Eigenvalue Gaps, and Pseudospectrum under real Ginibre and Absolutely Continuous Perturbations
Let G_n be an n × n matrix with real i.i.d. N(0,1/n) entries, let A be a...
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12/18/2019
Pseudospectral Shattering, the Sign Function, and Diagonalization in Nearly Matrix Multiplication Time
We exhibit a randomized algorithm which given a square n× n complex matr...
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06/27/2019
Gaussian Regularization of the Pseudospectrum and Davies' Conjecture
A matrix A∈C^n× n is diagonalizable if it has a basis of linearly indepe...
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04/12/2019