{ "id": "math/0512465", "version": "v2", "published": "2005-12-20T13:38:51.000Z", "updated": "2005-12-22T14:32:20.000Z", "title": "On the invariant subspace problem for dissipative operators in Krein spaces", "authors": [ "A. A. Shkalikov" ], "comment": "8 pages", "categories": [ "math.FA" ], "abstract": "We relax assumptions for a dissipative operator in Krein space to possess a maximal non-negative invariant subspace. Our main result is a generalization of a well-known Pontrjagin-Krein-Langer-Azizov theorem. Then we investigate the semigroup properties of the restriction of the operator onto the invariant subspace.", "revisions": [ { "version": "v2", "updated": "2005-12-22T14:32:20.000Z" } ], "analyses": { "subjects": [ "47A15", "47B50" ], "keywords": [ "invariant subspace problem", "krein space", "dissipative operator", "well-known pontrjagin-krein-langer-azizov theorem", "maximal non-negative invariant subspace" ], "note": { "typesetting": "TeX", "pages": 8, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2005math.....12465S" } } }