{ "id": "1302.4757", "version": "v1", "published": "2013-02-19T21:33:11.000Z", "updated": "2013-02-19T21:33:11.000Z", "title": "The Schur-Horn theorem for operators with finite spectrum", "authors": [ "Marcin Bownik", "John Jasper" ], "categories": [ "math.FA" ], "abstract": "We characterize the set of diagonals of the unitary orbit of a self-adjoint operator with a finite spectrum. Our result extends the Schur-Horn theorem from a finite dimensional setting to an infinite dimensional Hilbert space analogous to Kadison's theorem for orthogonal projections and the second author's result for operators with three point spectrum.", "revisions": [ { "version": "v1", "updated": "2013-02-19T21:33:11.000Z" } ], "analyses": { "subjects": [ "42C15", "47B15", "46C05" ], "keywords": [ "schur-horn theorem", "finite spectrum", "second authors result", "infinite dimensional hilbert space analogous", "result extends" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2013arXiv1302.4757B" } } }