{ "id": "1907.09299", "version": "v1", "published": "2019-07-22T13:12:56.000Z", "updated": "2019-07-22T13:12:56.000Z", "title": "Thresholds for low regularity solutions to wave equations with structural damping", "authors": [ "Tomonori Fukushima", "Ryo Ikehata", "Hironori Michihisa" ], "comment": "24 pages", "categories": [ "math.AP" ], "abstract": "We study the asymptotic behavior of solutions to wave equations with a structural damping term \\[ u_{tt}-\\Delta u+\\Delta^2 u_t=0, \\qquad u(0,x)=u_0(x), \\,\\,\\, u_t(0,x)=u_1(x), \\] in the whole space. New thresholds are reported in this paper that indicate which of the diffusion wave property and the non-diffusive structure dominates in low regularity cases. We develop to that end the previous author's research in 2019 where they have proposed a threshold that expresses whether the parabolic-like property or the wave-like property strongly appears in the solution to some regularity-loss type dissipative wave equation.", "revisions": [ { "version": "v1", "updated": "2019-07-22T13:12:56.000Z" } ], "analyses": { "subjects": [ "35B05", "35B33", "35B40", "35B65", "35L30" ], "keywords": [ "low regularity solutions", "structural damping", "regularity-loss type dissipative wave equation", "low regularity cases", "diffusion wave property" ], "note": { "typesetting": "TeX", "pages": 24, "language": "en", "license": "arXiv", "status": "editable" } } }