Descent for Regular Epimorphisms in Barr Exact Goursat Categories

: 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.

• Type: Journal
• Year: 2011
• Where: ACS
• Authors: George Janelidze, Manuela Sobral
• Keywords: ACS 2011, Distributed And Parallel Computing, Exact Goursat Category, Effective Descent Morphism, Regular Epimorphism