Characterization of quadratic mappings through a functional inequality
[摘要] We provide conditions under which every solution (f, phi) of the functional inequality [GRAPHICS] satisfies f (x) = (1)/(2)phi(x, x) and phi being biadditive and symmetric. (c) 2005 Elsevier Inc. All rights reserved.
[发布日期] 2006-12-01 [发布机构]
[效力级别] [学科分类]
[关键词] functional inequality;quadratic and biadditive functionals [时效性]
