{ "id": "2310.06331", "version": "v1", "published": "2023-10-10T05:59:41.000Z", "updated": "2023-10-10T05:59:41.000Z", "title": "Geometry of spectral bounds of curves of unitary operators", "authors": [ "Martin Miglioli" ], "comment": "10 pages", "categories": [ "math.FA" ], "abstract": "This article presents a new proof of a theorem concerning bounds of the spectrum of the product of unitary operators and a generalization for differentiable curves of this theorem. The proofs involve metric geometric arguments in the group of unitary operators and the sphere where these operators act.", "revisions": [ { "version": "v1", "updated": "2023-10-10T05:59:41.000Z" } ], "analyses": { "subjects": [ "47A10", "22E65", "58B20", "58E50" ], "keywords": [ "unitary operators", "spectral bounds", "metric geometric arguments", "theorem concerning bounds", "operators act" ], "note": { "typesetting": "TeX", "pages": 10, "language": "en", "license": "arXiv", "status": "editable" } } }