{ "id": "math/0701732", "version": "v1", "published": "2007-01-25T08:33:25.000Z", "updated": "2007-01-25T08:33:25.000Z", "title": "A counterexample for boundedness of pseudo-differential operators on modulation spaces", "authors": [ "Mitsuru Sugimoto", "Naohito Tomita" ], "comment": "9 pages", "categories": [ "math.FA", "math.AP" ], "abstract": "We prove that pseudo-differential operators with symbols in the class $S_{1,\\delta}^0$ ($0<\\delta<1$) are not always bounded on the modulation space $M^{p,q}$ ($q\\neq2$).", "revisions": [ { "version": "v1", "updated": "2007-01-25T08:33:25.000Z" } ], "analyses": { "subjects": [ "42B35", "47G30" ], "keywords": [ "pseudo-differential operators", "modulation space" ], "note": { "typesetting": "TeX", "pages": 9, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2007math......1732S" } } }