Unconditional bases and fixed points of nonexpansive mappings

Authors

Pei Kee Lin, The University of Texas at Austin

Abstract

We prove that every Banach space with a 1-unconditional basis has the fixed point property for nonexpansive mappings. In fact the argument works if the unconditional constant is < (√33 - 3)/2. © 1985 by Pacific Journal of Mathematics.

Publication Title

Pacific Journal of Mathematics

Recommended Citation

Lin, P. (1985). Unconditional bases and fixed points of nonexpansive mappings. Pacific Journal of Mathematics, 116 (1), 69-76. https://doi.org/10.2140/pjm.1985.116.69