{ "id": "2211.13180", "version": "v1", "published": "2022-11-23T17:56:23.000Z", "updated": "2022-11-23T17:56:23.000Z", "title": "Logarithmic Sobolev and interpolation inequalities on the sphere: constructive stability results", "authors": [ "Giovanni Brigati", "Jean Dolbeault", "Nikita Simonov" ], "categories": [ "math.AP", "math.FA" ], "abstract": "We consider Gagliardo-Nirenberg inequalities on the sphere which interpolate between the Poincar\\'e inequality and the Sobolev inequality, and include the logarithmic Sobolev inequality as a special case. We establish explicit stability results in the subcritical regime using spectral decomposition techniques, and entropy and carr\\'e du champ methods applied to nonlinear diffusion flows.", "revisions": [ { "version": "v1", "updated": "2022-11-23T17:56:23.000Z" } ], "analyses": { "subjects": [ "26D10", "58J99", "39B62", "43A90", "49J40", "46E35" ], "keywords": [ "constructive stability results", "interpolation inequalities", "nonlinear diffusion flows", "logarithmic sobolev inequality", "spectral decomposition techniques" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable" } } }