{ "id": "1202.2813", "version": "v2", "published": "2012-02-13T18:40:30.000Z", "updated": "2013-06-26T15:16:21.000Z", "title": "Operations on Arc Diagrams and Degenerations for Invariant Subspaces of Linear Operators", "authors": [ "Justyna Kosakowska", "Markus Schmidmeier" ], "categories": [ "math.RT" ], "abstract": "We study geometric properties of varieties associated with invariant subspaces of nilpotent operators. There are reductive algebraic groups acting on these varieties. We give dimensions of orbits of these actions. Moreover, a combinatorial characterization of the partial order given by degenerations is described.", "revisions": [ { "version": "v2", "updated": "2013-06-26T15:16:21.000Z" } ], "analyses": { "subjects": [ "14L30", "16G20", "16G70", "47A15" ], "keywords": [ "invariant subspaces", "linear operators", "arc diagrams", "degenerations", "operations" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2012arXiv1202.2813K" } } }