Terms which are Mal'cev modulo some functions

Author: Lipparini Paolo  

Publisher: Springer Publishing Company

ISSN: 0002-5240

Source: algebra universalis, Vol.58, Iss.3, 2008-06, pp. : 249-262

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Abstract

We derive consequences from the existence of a term which satisfies Mal'cev identities (characterizing permutability) modulo two functions F and G from admissible relations to admissible relations. We also provide characterizations of varieties having a Mal'cev term modulo F and G.