Universal covering

From Encyclopedia of Mathematics
Revision as of 20:01, 10 December 2017 by Richard Pinch (talk | contribs) (TeX done)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to: navigation, search

A covering to which every other covering is subordinate.


A covering $p:X\rightarrow Y$ of a space $Y$ is subordinate to a covering $p':X'\rightarrow Y$ if there is a covering $f:X'\rightarrow X$ such that $p'=pf$.

How to Cite This Entry:
Universal covering. Encyclopedia of Mathematics. URL:
This article was adapted from an original article by M.I. Voitsekhovskii (originator), which appeared in Encyclopedia of Mathematics - ISBN 1402006098. See original article