{ "id": "1710.07506", "version": "v1", "published": "2017-10-20T12:33:06.000Z", "updated": "2017-10-20T12:33:06.000Z", "title": "Remarks on regularity for $p$-Laplacian type equations in non-divergence form", "authors": [ "Amal Attouchi", "Eero Ruosteenoja" ], "comment": "37 pages", "categories": [ "math.AP" ], "abstract": "We study a singular or degenerate equation in non-divergence form modeled by the $p$-Laplacian, $$-|Du|^\\gamma\\left(\\Delta u+(p-2)\\Delta_\\infty^N u\\right)=f\\ \\ \\ \\ \\text{in}\\ \\ \\ \\Omega.$$ We investigate local $C^{1,\\alpha}$ regularity of viscosity solutions in the full range $\\gamma>-1$ and $p>1$, and provide local $W^{2,2}$ estimates in the restricted cases where $p$ is close to 2 and $\\gamma$ is close to 0.", "revisions": [ { "version": "v1", "updated": "2017-10-20T12:33:06.000Z" } ], "analyses": { "subjects": [ "35J60", "35B65", "35J92" ], "keywords": [ "laplacian type equations", "non-divergence form", "regularity", "viscosity solutions", "full range" ], "note": { "typesetting": "TeX", "pages": 37, "language": "en", "license": "arXiv", "status": "editable" } } }