A Survey on the Recent Advances in the Spectral Theory on the S-Spectrum

  • Fabrizio Colombo
  • , David P. Kimsey

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

Abstract

The aim of this paper is to give an overview on recent results involving function theory, functional calculi and operator theory based on the S-spectrum. Recently, this prospective has been extended in several directions. In particular, via the S-functional calculus, it is possible to define a theory of slice monogenic functions of a Clifford variable and of noncommuting matrix variables. Moreover, there is a very general way to define the S-functional calculus for Clifford operators and formulate a spectral theorem for Clifford operators based on the S-spectrum.

Original languageEnglish
Title of host publicationOperator Theory
Subtitle of host publicationAdvances and Applications
PublisherSpringer Science and Business Media Deutschland GmbH
Pages115-170
Number of pages56
DOIs
StatePublished - 1 Jan 2023
Externally publishedYes

Publication series

NameOperator Theory: Advances and Applications
Volume290
ISSN (Print)0255-0156
ISSN (Electronic)2296-4878

Keywords

  • Clifford spectral theorem
  • Monogenic functions of a Clifford variable
  • S-spectrum
  • Universality property

ASJC Scopus subject areas

  • Analysis

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