{ "id": "2204.11633", "version": "v1", "published": "2022-04-25T13:09:49.000Z", "updated": "2022-04-25T13:09:49.000Z", "title": "The polar decomposition for the product of three operators", "authors": [ "Dingyi Du", "Qingxiang Xu", "Shuo Zhao" ], "comment": "20 pages", "categories": [ "math.FA", "math.OA" ], "abstract": "In the setting of adjointable operators on Hilbert $C^*$-modules, this paper deals with the polar decomposition of the product of three operators. The relationship between the polar decompositions associated with three operators is clarified. Based on this relationship, a formula for the polar decomposition of a multiplicative perturbation of an operator is provided. In addition, some characterizations of the polar decomposition associated with three operators are provided.", "revisions": [ { "version": "v1", "updated": "2022-04-25T13:09:49.000Z" } ], "analyses": { "subjects": [ "46L08", "47A05" ], "keywords": [ "polar decomposition", "relationship", "paper deals", "multiplicative perturbation" ], "note": { "typesetting": "TeX", "pages": 20, "language": "en", "license": "arXiv", "status": "editable" } } }