Positivstellensatz for C*-tensor categories

作者：Kajal Das, Mainak Ghosh, Shamindra Kumar Ghosh · 发表于：Proceedings of the American Mathematical Society · 年份：2026 · DOI：10.1090/proc/17494 · 研究领域：Homotopy and Cohomology in Algebraic Topology、Algebraic structures and combinatorial models

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.