2 papers
math-ph2023
A Tale of Three Coauthors
Barry Simon
We tell the story of the discovery of an interesting bound on finite sums and its application to comparison of Ising models.
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…