Descent for regular epimorphisms in Barr exact Goursat categories

Bibliographic Details
Main Author: Janelidze, George
Publication Date: 2009
Other Authors: Sobral, Manuela
Format: Other
Language: eng
Source: Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)
Download full: https://hdl.handle.net/10316/11194
Summary: 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.
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spelling Descent for regular epimorphisms in Barr exact Goursat categoriesRegular categoryBarr exact categoryGoursat categoryEquivalence relationEff ective descent morphismWe 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.FCT/Centro de Matemática da Universidade de Coimbra; South African NRFCentro de Matemática da Universidade de Coimbra2009info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/otherhttps://hdl.handle.net/10316/11194https://hdl.handle.net/10316/11194engPré-Publicações DMUC. 09-03 (2009)Janelidze, GeorgeSobral, Manuelainfo:eu-repo/semantics/openAccessreponame:Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)instname:FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologiainstacron:RCAAP2020-05-25T13:11:13Zoai:estudogeral.uc.pt:10316/11194Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireinfo@rcaap.ptopendoar:https://opendoar.ac.uk/repository/71602025-05-29T05:23:15.780488Repositórios Científicos de Acesso Aberto de Portugal (RCAAP) - FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologiafalse
dc.title.none.fl_str_mv Descent for regular epimorphisms in Barr exact Goursat categories
title Descent for regular epimorphisms in Barr exact Goursat categories
spellingShingle Descent for regular epimorphisms in Barr exact Goursat categories
Janelidze, George
Regular category
Barr exact category
Goursat category
Equivalence relation
Eff ective descent morphism
title_short Descent for regular epimorphisms in Barr exact Goursat categories
title_full Descent for regular epimorphisms in Barr exact Goursat categories
title_fullStr Descent for regular epimorphisms in Barr exact Goursat categories
title_full_unstemmed Descent for regular epimorphisms in Barr exact Goursat categories
title_sort Descent for regular epimorphisms in Barr exact Goursat categories
author Janelidze, George
author_facet Janelidze, George
Sobral, Manuela
author_role author
author2 Sobral, Manuela
author2_role author
dc.contributor.author.fl_str_mv Janelidze, George
Sobral, Manuela
dc.subject.por.fl_str_mv Regular category
Barr exact category
Goursat category
Equivalence relation
Eff ective descent morphism
topic Regular category
Barr exact category
Goursat category
Equivalence relation
Eff ective descent morphism
description 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.
publishDate 2009
dc.date.none.fl_str_mv 2009
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/other
format other
status_str publishedVersion
dc.identifier.uri.fl_str_mv https://hdl.handle.net/10316/11194
https://hdl.handle.net/10316/11194
url https://hdl.handle.net/10316/11194
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv Pré-Publicações DMUC. 09-03 (2009)
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Centro de Matemática da Universidade de Coimbra
publisher.none.fl_str_mv Centro de Matemática da Universidade de Coimbra
dc.source.none.fl_str_mv reponame:Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)
instname:FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologia
instacron:RCAAP
instname_str FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologia
instacron_str RCAAP
institution RCAAP
reponame_str Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)
collection Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)
repository.name.fl_str_mv Repositórios Científicos de Acesso Aberto de Portugal (RCAAP) - FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologia
repository.mail.fl_str_mv info@rcaap.pt
_version_ 1833602338299838464

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