caa a22 4500 445378700 CHVBK 20180317143011.0 cr unu---uuuuu 170323e20110201xx s 000 0 eng 10.1007/s10485-009-9199-y doi (NATIONALLICENCE)springer-10.1007/s10485-009-9199-y Descent for Regular Epimorphisms in Barr Exact Goursat Categories [Elektronische Daten] [George Janelidze, Manuela Sobral] 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 effective descent morphism. Springer Science+Business Media B.V., 2009 Regular category nationallicence Barr exact category nationallicence Goursat category nationallicence Equivalence relation nationallicence Effective descent morphism nationallicence Janelidze George Dept. Math. and Appl. Math., University of Cape Town, Rondebosh 7701, Cape Town, South Africa aut Sobral Manuela Departamento de Matemática, Universidade de Coimbra, 3001-454, Coimbra, Portugal aut Applied Categorical Structures Springer Netherlands 19/1(2011-02-01), 271-276 0927-2852 19:1<271 2011 19 10485 https://doi.org/10.1007/s10485-009-9199-y text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s10485-009-9199-y text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Janelidze George Dept. Math. and Appl. Math., University of Cape Town, Rondebosh 7701, Cape Town, South Africa aut NATIONALLICENCE 700 1- Sobral Manuela Departamento de Matemática, Universidade de Coimbra, 3001-454, Coimbra, Portugal aut NATIONALLICENCE 773 0- Applied Categorical Structures Springer Netherlands 19/1(2011-02-01), 271-276 0927-2852 19:1<271 2011 19 10485 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer