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http://hdl.handle.net/10316/11436| Title: | Local homeomorphisms via ultrafilter convergence | Authors: | Clementino, Maria Manuel Hofmann, Dirk Janelidze, George |
Keywords: | Local homeomorphism; Discrete fibration; Ultrafilter | Issue Date: | 2003 | Publisher: | Centro de Matemática da Universidade de Coimbra | Citation: | Pré-Publicações DMUC. 03-13 (2003) | 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. | URI: | http://hdl.handle.net/10316/11436 | Rights: | openAccess |
| Appears in Collections: | FCTUC Matemática - Artigos em Revistas Nacionais |
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| File | Description | Size | Format | |
|---|---|---|---|---|
| Local homeomorphisms via ultrafilter convergence.pdf | 206.53 kB | Adobe PDF | View/Open |
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