Terms which are Mal'cev modulo some functions

• Autores: Paolo Lipparini
• Localización: Algebra universalis, ISSN 0002-5240, Vol. 58, Nº. 3, 2008, págs. 249-262
• Idioma: inglés
• DOI: 10.1007/s00012-008-2060-6
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• Resumen

  • 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.