On a conjectured property of the witten index and an application to levinson’s theorem

Alan Carey, Galina Levitina

Research output: Contribution to journalArticlepeer-review

Abstract

A few years ago Fritz Gesztesy raised the issue of whether there was a composition rule for the Witten index analogous to that satisfied by Fredholm operators. In this note we prove a result in this direction and provide an application to Levinson’s theorem.

Original languageEnglish
Pages (from-to)995-1007
Number of pages13
JournalPure and Applied Functional Analysis
Volume9
Issue number4
Publication statusPublished - 2024

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