Autor(es):
Clementino, Maria Manuel ; Hofmann, Dirk ; Janelidze, George
Data: 2003
Identificador Persistente: https://hdl.handle.net/10316/11436
Origem: Estudo Geral - Universidade de Coimbra
Assunto(s): Local homeomorphism; Discrete fibration; Ultrafilter
Descrição
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.
