{ "id": "0807.4213", "version": "v1", "published": "2008-07-26T04:11:45.000Z", "updated": "2008-07-26T04:11:45.000Z", "title": "Matzoh ball soup in spaces of constant curvature", "authors": [ "Genqian Liu" ], "comment": "28 pages", "categories": [ "math.AP", "math.DG" ], "abstract": "In this paper, we generalize Magnanini-Sakaguchi's result [MS3] from Euclidean space to spaces of constant curvature. More precisely, we show that if a conductor satisfying the exterior geodesic sphere condition in the space of constant curvature has initial temperature 0 and its boundary is kept at temperature 1 (at all times), if the thermal conductivity of the conductor is inverse of its metric, and if the conductor contains a proper sub-domain, satisfying the interior geodesic cone condition and having constant boundary temperature at each given time, then the conductor must be a geodesic ball. Moreover, we show similar result for the wave equations and the Schr\\\"{o}dinger equations in spaces of constant curvature.", "revisions": [ { "version": "v1", "updated": "2008-07-26T04:11:45.000Z" } ], "analyses": { "subjects": [ "35K05", "35K20", "35J05", "58J35", "35J10" ], "keywords": [ "constant curvature", "matzoh ball soup", "exterior geodesic sphere condition", "interior geodesic cone condition", "constant boundary temperature" ], "note": { "typesetting": "TeX", "pages": 28, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2008arXiv0807.4213L" } } }