{ "id": "2407.19314", "version": "v1", "published": "2024-07-27T18:10:02.000Z", "updated": "2024-07-27T18:10:02.000Z", "title": "Tracial central states on compact quantum groups", "authors": [ "Amaury Freslon", "Adam Skalski", "Simeng Wang" ], "comment": "29 pages", "categories": [ "math.OA", "math.QA" ], "abstract": "Motivated by classical investigation of conjugation invariant positive-definite functions on discrete groups, we study tracial central states on universal C*-algebras associated with compact quantum groups, where centrality is understood in the sense of invariance under the adjoint action. We fully classify such states on $q$-deformations of compact Lie groups, on free orthogonal quantum groups, quantum permutation groups and on quantum hyperoctahedral groups.", "revisions": [ { "version": "v1", "updated": "2024-07-27T18:10:02.000Z" } ], "analyses": { "keywords": [ "compact quantum groups", "free orthogonal quantum groups", "study tracial central states", "conjugation invariant positive-definite functions", "quantum hyperoctahedral groups" ], "note": { "typesetting": "TeX", "pages": 29, "language": "en", "license": "arXiv", "status": "editable" } } }