Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleEquational definability of (complementary) central elements.AuthorsBadano, Mariana V.; Vaggione, Diego J.AbstractFor a variety with weak existentially definable factor congruences, we characterize when the properties ' is a central element' and ' and are complementary central elements' are definable by -formulas and by -formulas.SubjectsDEFINABILITY theory (Mathematical logic); GEOMETRIC congruences; MATHEMATICAL formulas; BOOLEAN algebra; MATHEMATICAL decompositionPublicationInternational Journal of Algebra & Computation, 2016, Vol 26, Issue 3, p509ISSN0218-1967Publication typeArticleDOI10.1142/S0218196716500211