English

2-Co-lacunary sequences in noncommutative symmetric Banach spaces

Operator Algebras 2019-09-11 v1 Functional Analysis

Abstract

We characterize noncommutative symmetric Banach spaces for which every bounded sequence admits either a convergent subsequence, or a 22-co-lacunary subsequence. This extends the classical characterization, due to R\"abiger.

Keywords

Cite

@article{arxiv.1909.04258,
  title  = {2-Co-lacunary sequences in noncommutative symmetric Banach spaces},
  author = {Fedor Sukochev and Dejian Zhou},
  journal= {arXiv preprint arXiv:1909.04258},
  year   = {2019}
}

Comments

To appear in Proceedings of the American Mathematical Society