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Decidable discriminator varieties from unary varieties

Published online by Cambridge University Press:  12 March 2014

Stanley Burris
Affiliation:
Department of Pure Mathematics, University of Waterloo, Waterloo, Ontario N2L 5S7, Canada
Ralph Mckenzie
Affiliation:
Department of Mathematics, University of California, Berkeley, California 94720
Matthew Valeriote
Affiliation:
Department of Mathematics and Statistics, Mcmaster University, Hamilton, Ontario L8S 4K1, Canada

Abstract

We determine precisely those locally finite varieties of unary algebras of finite type which, when augmented by a ternary discriminator, generate a variety with a decidable theory.

Type
Research Article
Copyright
Copyright © Association for Symbolic Logic 1991

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References

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