Open Access

Some Properties of Pythagorean Modulus

Journal of Inequalities and Applications20082007:071012

DOI: 10.1155/2007/71012

Received: 7 July 2007

Accepted: 3 December 2007

Published: 5 February 2008

Abstract

We consider two Pythagorean modulus introduced by Gao (2005, 2006) recently. The exact values concerning these modulus for some classical Banach spaces are determined. Some applications in geometry of Banach spaces are also obtained.

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Authors’ Affiliations

(1)
Department of Mathematics, Luoyang Normal University

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Copyright

© Fenghui Wang. 2007

This article is published under license to BioMed Central Ltd. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.