English

Every nonreflexive subspace of L_1[0,1] fails the fixed point property

Functional Analysis 2016-09-06 v1

Abstract

The main result of this paper is that every non-reflexive subspace YY of L1[0,1]L_1[0,1] fails the fixed point property for closed, bounded, convex subsets CC of YY and nonexpansive (or contractive) mappings on CC. Combined with a theorem of Maurey we get that for subspaces YY of L1[0,1]L_1[0,1], YY is reflexive if and only if YY has the fixed point property. For general Banach spaces the question as to whether reflexivity implies the fixed point property and the converse question are both still open.

Keywords

Cite

@article{arxiv.math/9302208,
  title  = {Every nonreflexive subspace of L_1[0,1] fails the fixed point property},
  author = {Paddy N. Dowling and Christopher J. Lennard},
  journal= {arXiv preprint arXiv:math/9302208},
  year   = {2016}
}