Characterizations of Rotundity and Smoothness by Approximate Orthogonalities
et | 23 sept. 2016
À propos de cet article
Publié en ligne: 23 sept. 2016
Pages: 193 - 201
Reçu: 01 mars 2016
Accepté: 08 juin 2016
DOI: https://doi.org/10.1515/amsil-2016-0011
Mots clés
© 2016 Tomasz Stypuła et al., published by De Gruyter Open
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
In this paper we consider the approximate orthogonalities in real normed spaces. Using the notion of approximate orthogonalities in real normed spaces, we provide some new characterizations of rotundity and smoothness of dual spaces.