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A Characterization of Varieties with a Difference Term

Published online by Cambridge University Press:  20 November 2018

Paolo Lipparini
Paolo Lipparini*
Affiliation:
Dipartimento di matematica, Università di Cagliari
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Abstract

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We characterize, by means of congruence identities, all varieties having a weak difference term, and all neutral varieties. Our characterization of varieties with a difference term is new even in the particular case of locally finite varieties.

Keywords

08B0508B99Variety with a (weak) difference termcommutatorneutral variety
Type
Research Article
Information
Canadian Mathematical Bulletin , Volume 39 , Issue 3 , 01 September 1996 , pp. 308 - 315
Copyright
Copyright © Canadian Mathematical Society 1996

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