Please use this identifier to cite or link to this item: http://hdl.handle.net/10316/89423
Title: Another note on effective descent morphisms of topological spaces and relational algebras
Authors: Clementino, Maria Manuel 
Janelidze, George
Keywords: Monad; Effective descent morphism; Relational algebra; Ultrafilter monad; Locally finite space; Hausdorff space; Alexandrov space
Issue Date: Mar-2020
Publisher: Elsevier
Project: CMUC-UID/MAT/00324/2019 
Serial title, monograph or event: Topology and its Applications
Volume: 273
Abstract: We make three independent observations on characterizing effective descent morphisms in the category of topological spaces. The first of them proposes a new modification of known characterizations of effective descent morphisms of general spaces, while the other two are devoted to locally finite and Hausdorff spaces, respectively. The Hausdorff case is considered, as far as we could, at the more general level of relational algebras in the sense of M. Barr.
URI: http://hdl.handle.net/10316/89423
DOI: 10.1016/j.topol.2019.106961
Rights: embargoedAccess
Appears in Collections:I&D CMUC - Artigos em Revistas Internacionais

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