English

Borel reducibility and finitely Holder(\alpha) embeddability

Logic 2010-07-05 v1

Abstract

Let (Xn,dn),nN(X_n,d_n),\,n\in\Bbb N be a sequence of pseudo-metric spaces, p1p\ge 1. For x,ynNXnx,y\in\prod_{n\in\Bbb N}X_n, let (x,y)E((Xn)nN;p)nNdn(x(n),y(n))p<+(x,y)\in E((X_n)_{n\in\Bbb N};p)\Leftrightarrow\sum_{n\in\Bbb N}d_n(x(n),y(n))^p<+\infty. For Borel reducibility between equivalence relations E((Xn)nN;p)E((X_n)_{n\in\Bbb N};p), we show it is closely related to finitely H\"older(α\alpha) embeddability between pseudo-metric spaces.

Keywords

Cite

@article{arxiv.1007.0284,
  title  = {Borel reducibility and finitely Holder(\alpha) embeddability},
  author = {Longyun Ding},
  journal= {arXiv preprint arXiv:1007.0284},
  year   = {2010}
}

Comments

18pages, submitted

R2 v1 2026-06-21T15:43:43.047Z