Positivstellensatz for C*-tensor categories

Proceedings of the American Mathematical Society 2026 Open access

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Authors: Kajal Das, Mainak Ghosh, Shamindra Kumar Ghosh
DOI: 10.1090/proc/17494
Cited by: 0

Abstract

We explore semi-pre-C*-algebras in the context of rigid semisimple C*-tensor categories and using techniques from annular representations, we extend Ozawa’s criterion for property (T) in groups to this context.

Fields of Study & Subjects

Homotopy and Cohomology in Algebraic Topology Algebraic structures and combinatorial models

Publication details

Journal / source
Proceedings of the American Mathematical Society
Publication date
26 August 2026
Language
EN