{ "id": "0905.1280", "version": "v2", "published": "2009-05-08T15:05:48.000Z", "updated": "2010-03-30T15:02:10.000Z", "title": "Abstract involutions of algebraic groups and of Kac-Moody groups", "authors": [ "Ralf Köhl", "Max Horn", "Bernhard Muhlherr" ], "doi": "10.1515/JGT.2010.033", "categories": [ "math.GR", "math.CO" ], "abstract": "Based on the second author's thesis in this article we provide a uniform treatment of abstract involutions of algebraic groups and of Kac-Moody groups using twin buildings, RGD systems, and twisted involutions of Coxeter groups. Notably we simultaneously generalize the double coset decompositions established by Springer and by Helminck-Wang for algebraic groups and by Kac-Wang for certain Kac-Moody groups, we analyze the filtration studied by Devillers-Muhlherr in the context of arbitrary involutions, and we answer a structural question on the combinatorics of involutions of twin buildings raised by Bennett-Gramlich-Hoffman-Shpectorov.", "revisions": [ { "version": "v2", "updated": "2010-03-30T15:02:10.000Z" } ], "analyses": { "subjects": [ "20E42", "51E24" ], "keywords": [ "algebraic groups", "kac-moody groups", "abstract involutions", "twin buildings", "second authors thesis" ], "tags": [ "journal article" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2009arXiv0905.1280K" } } }