What are sifted colimits?

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Authors	ROSICKÝ Jiří ADÁMEK J. VITALE E. M.
Year of publication	2010
Type	Article in Periodical
Magazine / Source	Theory and Applications of categories
MU Faculty or unit	Faculty of Science
Citation
Field	General mathematics
Keywords	sifted colimit;filtered colimit;reflexive coequalizer
Description	Sifted colimits are ``almost'' just the combination of filtered colimits and reflexive coequalizers. For example, a functor with a finitely cocomplete domain preserves sifted colimits iff it preserves filtered colimits and reflexive coequalizers. But for general domains that statement is not true.
Related projects:	Institute for Theoretical Computer Science Mathematical structures and their physical applications