{ "id": "0907.2728", "version": "v2", "published": "2009-07-16T01:44:23.000Z", "updated": "2009-09-06T17:25:23.000Z", "title": "Unitary equivalence to a complex symmetric matrix: geometric criteria", "authors": [ "Stephan Ramon Garcia", "Levon Balayan" ], "comment": "21 pages. Minor corrections. To appear in Operators and Matrices", "journal": "Operators and Matrices 4 (2010), No. 1, 53--76.", "categories": [ "math.FA", "math.OA" ], "abstract": "We develop several methods, based on the geometric relationship between the eigenspaces of a matrix and its adjoint, for determining whether a square matrix having distinct eigenvalues is unitarily equivalent to a complex symmetric matrix. Equivalently, we characterize those matrices having distinct eigenvalues which lie in the unitary orbit of the complex symmetric matrices.", "revisions": [ { "version": "v2", "updated": "2009-09-06T17:25:23.000Z" } ], "analyses": { "subjects": [ "15A57", "47A30" ], "keywords": [ "complex symmetric matrix", "unitary equivalence", "geometric criteria", "distinct eigenvalues", "complex symmetric matrices" ], "tags": [ "journal article" ], "note": { "typesetting": "TeX", "pages": 21, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2009arXiv0907.2728G" } } }