The extension problem for graph C*-algebras

Søren Eilers, James Gabe, Takeshi Katsura, Efren Ruiz, Mark Tomforde

Research output: Contribution to journalArticlepeer-review

Abstract

We give a complete K-theoretical description of when an essential extension of two simple graph C*-algebras is again a graph C*-algebra.

Original languageEnglish
Pages (from-to)295-315
Number of pages21
JournalAnnals of K-Theory
Volume5
Issue number2
DOIs
Publication statusPublished - 2020

Keywords

  • Extensions
  • Fullness
  • Graph C*-algebras
  • K-theory

ASJC Scopus subject areas

  • Assessment and Diagnosis
  • Analysis
  • Geometry and Topology

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