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Abstract
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International Journal of Mathematics and Mathematical Sciences
Volume 15 (1992), Issue 1, Pages 31-34
doi:10.1155/S0161171292000036

Some remarks on inequalities that characterize inner product spaces

Javier Alonso

Departamento de Matemáticas, Universidad de Extremadura, Badajoz 06071, Spain

Abstract

The purpose of this paper is to obtain some new characterizations of inner product spaces in the line of the Jordan-von Neumann identity and to make some remarks on similar known characterizations of Day, Delbosco, Rassias and Senechalle, among others.