A modulus for property (β) of Rolewicz
Volume 73 / 1997
Colloquium Mathematicum 73 (1997), 183-191
DOI: 10.4064/cm-73-2-183-191
Abstract
We define a modulus for the property (β) of Rolewicz and study some useful properties in fixed point theory for nonexpansive mappings. Moreover, we calculate this modulus in $l^p$ spaces for the main measures of noncompactness.
