{ "id": "2009.04147", "version": "v1", "published": "2020-09-09T08:02:19.000Z", "updated": "2020-09-09T08:02:19.000Z", "title": "On the homomorphisms between Parabolic Verma modules over Kac-Moody Algebras", "authors": [ "Xingpeng Liu" ], "comment": "14 pages", "categories": [ "math.RT" ], "abstract": "We consider a more general parabolic category over symmetrizable Kac-Moody algebras. We introduce a Ringel dual between finite truncations of blocks of the parabolic category and a reductive rule of hom-spaces between parabolic Verma modules which yield some applications on the homomorphisms between parabolic Verma modules.", "revisions": [ { "version": "v1", "updated": "2020-09-09T08:02:19.000Z" } ], "analyses": { "subjects": [ "17B10", "17B67", "17B35", "18A40" ], "keywords": [ "parabolic verma modules", "homomorphisms", "general parabolic category", "finite truncations", "ringel dual" ], "note": { "typesetting": "TeX", "pages": 14, "language": "en", "license": "arXiv", "status": "editable" } } }