{ "id": "math/0601645", "version": "v1", "published": "2006-01-26T16:21:07.000Z", "updated": "2006-01-26T16:21:07.000Z", "title": "$H^{\\infty}$ functional calculus and square functions on noncommutative $L^p$-spaces", "authors": [ "Marius Junge", "Christian Le Merdy", "Quanhua Xu" ], "comment": "118 pages", "categories": [ "math.FA" ], "abstract": "In this work we investigate semigroups of operators acting on noncommutative $L^p$-spaces. We introduce noncommutative square functions and their connection to sectoriality, variants of Rademacher sectoriality, and $H^\\infty$ functional calculus. We discuss several examples of noncommutative diffusion semigroups. This includes Schur multipliers, $q$-Ornstein-Uhlenbeck semigroups, and the noncommutative Poisson semigroup on free groups.", "revisions": [ { "version": "v1", "updated": "2006-01-26T16:21:07.000Z" } ], "analyses": { "subjects": [ "47A60", "46L55", "46L69" ], "keywords": [ "functional calculus", "free groups", "noncommutative square functions", "noncommutative diffusion semigroups", "schur multipliers" ], "note": { "typesetting": "TeX", "pages": 118, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2006math......1645J" } } }