Few subpowers, congruence distributivity and near-unanimity terms

• Autores: Petar Markovic, Ralph McKenzie
• Localización: Algebra universalis, ISSN 0002-5240, Vol. 58, Nº. 2, 2008, págs. 119-128
• Idioma: inglés
• DOI: 10.1007/s00012-008-2049-1
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• Resumen

  • We prove that for any variety $$\mathcal{V}$$, the existence of an edge-term (defined in [1]) and Jónsson terms is equivalent to the existence of a near-unanimity term. We also characterize the idempotent Maltsev conditions which are defined by a system of linear absorption equations and which imply congruence distributivity.