English

A covering index for Banach spaces

Functional Analysis 2025-11-11 v3

Abstract

We introduce a new isomorphic quantity for Banach spaces, the index ΘX\Theta_X, based on finite convex coverings of the unit ball. This index is closely related to the asymptotic moduli of uniform convexity and uniform smoothness, so that it can be calculated for several classical Banach spaces.

Keywords

Cite

@article{arxiv.2503.03721,
  title  = {A covering index for Banach spaces},
  author = {Matias Raja},
  journal= {arXiv preprint arXiv:2503.03721},
  year   = {2025}
}
R2 v1 2026-06-28T22:08:08.322Z