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  • Research Article
  • Open Access

A Coefficient Related to Some Geometric Properties of a Banach Space

Journal of Inequalities and Applications20092009:934321

  • Received: 29 September 2008
  • Accepted: 19 April 2009
  • Published:


We introduce a new coefficient as a generalization of the modulus of smoothness and Pythagorean modulus of Banach space . Some basic properties of this new coefficient are investigated. Moreover, some sufficient conditions which imply normal structure are presented.


  • Banach Space
  • Geometric Property
  • Full Article
  • Coefficient Relate
  • Publisher Note

Publisher note

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Authors’ Affiliations

Department of Mathematics, Harbin University of Science and Technology, Harbin, Heilongjiang, 150080, China