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Title: Descent for regular epimorphisms in Barr exact Goursat categories
Authors: Janelidze, George 
Sobral, Manuela 
Keywords: Regular category; Barr exact category; Goursat category; Equivalence relation; Eff ective descent morphism
Issue Date: 2009
Publisher: Centro de Matemática da Universidade de Coimbra
Citation: Pré-Publicações DMUC. 09-03 (2009)
Abstract: We show that the category of regular epimorphisms in a Barr exact Goursat category is almost Barr exact in the sense that (it is a regular category and) every regular epimorphism in it is an e ective descent morphism.
Rights: openAccess
Appears in Collections:FCTUC Matemática - Vários

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