A characterization of locally finite varieties that satisfy a nontrivial congruence identity |
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| Authors: | Keith A Kearnes |
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| Institution: | (1) Department of Mathematics University of Louisville Louisville, KY 40292 U.S.A., e-mail: kearnes@louisville.edu, , USA |
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| Abstract: | We show that a locally finite variety satisfies a nontrivial congruence identity if and only if it satisfies an idempotent
Mal'tsev condition that fails in the variety of semilattices.
Received January 27, 1999; accepted in final form June 11, 1999. |
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