Abstract
An inequality between James constants of Banach spaces $X_s$ and the James constant of their direct sum is obtained. This gives a characterization of uniform nonsquareness of sums of Banach spaces.
Citation
Anna Betiuk-Pilarska. Stanisław Prus. "Uniform nonsquareness of direct sums of Banach spaces." Topol. Methods Nonlinear Anal. 34 (1) 181 - 186, 2009.
Information
Published: 2009
First available in Project Euclid: 27 April 2016
zbMATH: 1189.46009
MathSciNet: MR2581466
Rights: Copyright © 2009 Juliusz P. Schauder Centre for Nonlinear Studies
