1 citations · 1 across the 3 of their papers we have counts for
3 papers
math.SP2023
A Useful Formula for Periodic Jacobi Matrices on Trees
Jess Banks, Jonathan Breuer, Jorge Garza Vargas +2
We introduce a function of the density of states for periodic Jacobi matrices on trees and prove a useful formula for it. This allows new, streamlined proofs of the gap labeling an…
math.NA2021★ 1 cited
Global Convergence of Hessenberg Shifted QR I: Exact Arithmetic
Jess Banks, Jorge Garza-Vargas, Nikhil Srivastava
Rapid convergence of the shifted QR algorithm on symmetric matrices was shown more than fifty years ago. Since then, despite significant interest and its practical relevance, an un…
math.NA2019
Pseudospectral Shattering, the Sign Function, and Diagonalization in Nearly Matrix Multiplication Time
Jess Banks, Jorge Garza-Vargas, Archit Kulkarni +1
We exhibit a randomized algorithm which given a matrix with and , computes with high probability an invertible and diagonal …