A 1-cohomology characterization of property (T) in von Neumann algebras

2004/09/27 by Jesse Peterson, Peterson, Jesse · 2 citations
Mathematics · #22D25 #46L10 #46L57 #Advanced Operator Algebra Research #Advanced Topics in Algebra #Algebraic structures and combinatorial models #FOS: Mathematics #Operator Algebras (math.OA)

paper · pdf · doi:10.48550/arxiv.math/0409527

openalex publication_date 2004/09/27 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

We obtain a characterization of property (T) for von Neumann algebras in terms of 1-cohomology similar to the Delorme-Guichardet Theorem for groups.

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