HOW TO SKETCH QUASIVARIETIES

Authors
ADAMEK J
Citation
J. Adamek, HOW TO SKETCH QUASIVARIETIES, Journal of algebra, 185(3), 1996, pp. 643-659
Citations number
8
Categorie Soggetti
Mathematics, Pure",Mathematics
Journal title
Journal of algebra → ACNP
ISSN journal
00218693
Volume
185
Issue
3
Year of publication
1996
Pages
643 - 659
Database
ISI
SICI code
0021-8693(1996)185:3<643:HTSQ>2.0.ZU;2-3
Abstract
We introduce the concept of separated limit sketch and prove that quas ivarieties of algebras are precisely the categories sketchable by sepa rated limit sketches. We also characterize categories sketchable by pr oduct-mono sketches as precisely the quasivarieties with effective ome ga-strong equivalence relations. (C) 1996 Academic Press, Inc.