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Proceedings of the American Mathematical Society
Proceedings of the American Mathematical Society
ISSN 1088-6826(online) ISSN 0002-9939(print)


Critical edges in subdirectly irreducible lattices

Authors: Bjarni Jónsson and Ivan Rival
Journal: Proc. Amer. Math. Soc. 66 (1977), 194-196
MSC: Primary 06A20
MathSciNet review: 0450148
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Abstract: In studying a particular subdirectly irreducible lattice it is often important to know the location of a critical edge, that is, a quotient that is collapsed by every nontrivial congruence relation. We show that a critical edge can always be found in a rather natural location.

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PII: S 0002-9939(1977)0450148-8
Keywords: Subdirectly irreducible lattice, critical edge
Article copyright: © Copyright 1977 American Mathematical Society