On outer automorphisms of certain graph C*‐algebras

Abstract Given a countable abelian group , we construct a row‐finite directed graph such that the ‐group of the graph ‐algebra is canonically isomorphic to . Moreover, under natural identification, each element of is a lift of an automorphism of the graph ‐algebra .

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Publication Details

Journal
Bulletin of the London Mathematical Society
Published
2025-12-19
DOI
https://doi.org/10.1112/blms.70251
Primary Topic
Advanced Operator Algebra Research
Type
article
Field-Weighted Citation Impact
0.00
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article

On outer automorphisms of certain graph C*‐algebras

Soumalya Joardar, Swarnendu Datta, Debashish Goswami
Bulletin of the London Mathematical Society
Advanced Operator Algebra Research
article

On outer automorphisms of certain graph C*‐algebras

Soumalya Joardar, Swarnendu Datta, Debashish Goswami
article en

Abstract

Abstract Given a countable abelian group , we construct a row‐finite directed graph such that the ‐group of the graph ‐algebra is canonically isomorphic to . Moreover, under natural identification, each element of is a lift of an automorphism of the graph ‐algebra .

Bulletin of the London Mathematical SocietyVol. 58(1)
Indian Institute of Science Education and Research Kolkata (IN), Indian Statistical Institute (IN)
Openalex Percentile: Top 55%
Advanced Operator Algebra Research
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