{ "id": "2302.09329", "version": "v1", "published": "2023-02-18T13:31:17.000Z", "updated": "2023-02-18T13:31:17.000Z", "title": "Zigzag algebras and faithfulness of the 2-braid groups in type B", "authors": [ "Edmund Heng", "Kie Seng Nge" ], "comment": "15 pages. Split from an earlier paper following referee suggestion. Comments welcomed!", "categories": [ "math.RT", "math.QA" ], "abstract": "We show that certain category of bimodules over a finite dimensional quiver algebra known as type B zigzag algebra is a quotient category of the category of type B Soergel bimodules. This leads to an alternate proof of Rouquier's conjecture on the faithfulness of the 2-braid groups for type B.", "revisions": [ { "version": "v1", "updated": "2023-02-18T13:31:17.000Z" } ], "analyses": { "subjects": [ "20F36", "20J05", "20C08" ], "keywords": [ "zigzag algebra", "faithfulness", "finite dimensional quiver algebra", "quotient category", "soergel bimodules" ], "note": { "typesetting": "TeX", "pages": 15, "language": "en", "license": "arXiv", "status": "editable" } } }