2 papers
math.SP2026
Localisation of pseudospectra on discrete groups
Simon N. Chandler-Wilde, Marko Lindner, Christian Seifert
In this paper we generalise two of the methods and corresponding results from our previous paper ``On spectral inclusion sets and computing the spectra and pseudospectra of bounded…
math.FA2025
Gershgorin-Type Spectral Inclusions for Matrices
Simon N. Chandler-Wilde, Marko Lindner
In this paper we derive sequences of Gershgorin-type inclusion sets for the spectra and pseudospectra of finite matrices. In common with previous generalisations of the classical G…