Algebra, Logic and Topology

 

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Author(s)
Dirk Hofmann; George Janelidze; Maria Manuel Clementino;

Title
Local homeomorphisms via ultrafilter convergence

Abstract
Using the ultrafilter-convergence description of topological spaces, we generalize Janelidze-Sobral characterization of local homeomorphisms between finite topological spaces, showing that local homeomorphisms are the pullback-stable discrete fibrations.

Journal
Proc. Amer. Math. Soc.

Volume
133

Year
2005

Issue
3

Page(s)
917-922

 
     
 

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