English

Lipschitz-free spaces over ultrametric spaces

Functional Analysis 2018-02-09 v3

Abstract

We prove that the Lipschitz-free space over a separable ultrametric space has a monotone Schauder basis and is isomorphic to 1\ell_1. This extends results of A. Dalet using an alternative approach.

Keywords

Cite

@article{arxiv.1411.2434,
  title  = {Lipschitz-free spaces over ultrametric spaces},
  author = {Marek Cuth and Michal Doucha},
  journal= {arXiv preprint arXiv:1411.2434},
  year   = {2018}
}

Comments

The only change in the latest version is the second author's grant information. Question 1 from the previous version has been answered - see Remark 15 for the solution. Preprint was accepted in Mediterr. J. Math

R2 v1 2026-06-22T06:53:27.587Z