{ "id": "math/0504145", "version": "v2", "published": "2005-04-07T15:28:03.000Z", "updated": "2005-05-08T17:38:37.000Z", "title": "(Ir)Reducibility of some commuting varieties associated with involutions", "authors": [ "Oksana Yakimova" ], "comment": "New examples of reducible commuting varieties are added", "categories": [ "math.RT", "math.AG" ], "abstract": "Here we prove that a commuting variety associated with a symmetric pair (g, g_0) is irreducible for (so_{n+m}, so_n + so_m) and reducible for (gl_{n+m}, {gl}_n + gl_m) with n>m, (so_{2n}, gl_n) with odd n, (E_6, {so}_{10} + k).", "revisions": [ { "version": "v2", "updated": "2005-05-08T17:38:37.000Z" } ], "analyses": { "keywords": [ "commuting varieties", "commuting variety", "involutions" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2005math......4145Y" } } }