{ "id": "2009.09620", "version": "v1", "published": "2020-09-21T05:44:04.000Z", "updated": "2020-09-21T05:44:04.000Z", "title": "On oscillatory integrals associated to phase functions with degenerate singular points", "authors": [ "Toshio Nagano", "Naoya Miyazaki" ], "categories": [ "math.CA", "math-ph", "math.DG", "math.MP" ], "abstract": "In this note, by using the result in one variable, we obtain asymptotic expansions of oscillatory integrals for certain multivariable phase functions with {\\bf degenerate} singular points. Moreover by using this result, we have asymptotic expansions of oscillatory integrals with phase function of type $A_{k}$, $E_6$, $E_8$-function germs.", "revisions": [ { "version": "v1", "updated": "2020-09-21T05:44:04.000Z" } ], "analyses": { "subjects": [ "42B20", "41A60", "58K05" ], "keywords": [ "oscillatory integrals", "degenerate singular points", "asymptotic expansions", "function germs", "multivariable phase functions" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable" } } }