English

Compositions of projections in Banach spaces and relations between approximation properties

Functional Analysis 2008-11-12 v1

Abstract

A necessary and sufficient condition for existence of a Banach space with a finite dimensional decomposition but without the π\pi-property in terms of norms of compositions of projections is found.

Keywords

Cite

@article{arxiv.0811.1763,
  title  = {Compositions of projections in Banach spaces and relations between approximation properties},
  author = {M. I. Ostrovskii},
  journal= {arXiv preprint arXiv:0811.1763},
  year   = {2008}
}
R2 v1 2026-06-21T11:40:29.910Z