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Barry Simon: (Online) Gap Labelling for Periodic Jacobi Matrices on Trees

Date: 2025-05-29

Time: 17:00 - 18:00

Speaker
Barry Simon, Caltech

Abstract
I will present a new and simple proof (published with Banks, Breuer, Garza Vargas and Seelig) of Sunada’s gap labelling for periodic Jacobi matrices on trees. I will discuss what periodic Jacobi matrices on trees are and the historical background of the result as well as present the proof.