{ "id": "0812.5015", "version": "v1", "published": "2008-12-30T06:32:16.000Z", "updated": "2008-12-30T06:32:16.000Z", "title": "Stability of cubic and quartic functional equations in non-Archimedean spaces", "authors": [ "M. Eshaghi Gordji", "M. Bavand Savadkouhi" ], "categories": [ "math.FA" ], "abstract": "We prove generalized Hyres-Ulam-Rassias stability of the cubic functional equation $f(kx+y)+f(kx-y)=k[f(x+y)+f(x-y)]+2(k^3-k)f(x)$ for all $k\\in \\Bbb N$ and the quartic functional equation $f(kx+y)+f(kx-y)=k^2[f(x+y)+f(x-y)]+2k^2(k^2-1)f(x)-2(k^2-1)f(y)$ for all $k\\in \\Bbb N$ in non-Archimedean normed spaces.", "revisions": [ { "version": "v1", "updated": "2008-12-30T06:32:16.000Z" } ], "analyses": { "subjects": [ "39B82" ], "keywords": [ "quartic functional equation", "non-archimedean spaces", "cubic functional equation", "generalized hyres-ulam-rassias stability" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2008arXiv0812.5015E" } } }