Centre for Mathematics, University of Coimbra

<Reference List>
Type:	Preprint
National /International:	International
Title:	On reflective subcategories of varieties
Publication Date:	2003
Authors:	- Jirí Adámek - Lurdes Sousa
Abstract:	Full reflective subcategories of varieties are characterized as the cocomplete categories with a regular generator, or as classes of algebras presented by ``preequations". As a byproduct, a solution is presented to the problem of describing $\omega$-orthogonality classes of locally finitely presentable categories in terms of closure properties.
Institution:	DMUC 03-16
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