On subdirectly irreducible Steiner loops of cardinality .
Armanious, Magdi H. (2002)
Beiträge zur Algebra und Geometrie
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Displaying similar documents to “On -permutable and distributive at 0 varieties.”
On subdirectly irreducible Steiner loops of cardinality .
Restricted congruence regularity of algebras.
Chajda, I., Länger, H. (2002)
Acta Mathematica Universitatis Comenianae. New Series
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Congruence kernels of orthoimplication algebras.
Chajda, I., Halaš, R., Länger, H. (2007)
Acta Mathematica Universitatis Comenianae. New Series
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Definability of principal congruences in equivalential algebras
PaweŁ Idziak, Andrzej Wroński (1998)
Colloquium Mathematicae
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On some classes of good quotient relations.
Bošnjak, Ivica, Madarász, Rozália (2002)
Novi Sad Journal of Mathematics
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Varieties of universal algebras with normal local projections.
Janelidze, Z. (2004)
Georgian Mathematical Journal
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Weak congruence identities at 0.
Chajda, Ivan, Šešelja, Branimir, Tepavčević, Andreja (2002)
Novi Sad Journal of Mathematics
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Relatively pseudocomplemented directoids
Ivan Chajda (2009)
Commentationes Mathematicae Universitatis Carolinae
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The concept of relative pseudocomplement is introduced in a commutative directoid. It is shown that the operation of relative pseudocomplementation can be characterized by identities and hence the class of these algebras forms a variety. This variety is congruence weakly regular and congruence distributive. A description of congruences via their kernels is presented and the kernels are characterized as the so-called -ideals.
General algebraic geometry and formal concept analysis.
Becker, T. (1999)
Acta Mathematica Universitatis Comenianae. New Series
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Properties of relatively pseudocomplemented directoids
Ivan Chajda, Miroslav Kolařík, Filip Švrček (2011)
Mathematica Bohemica
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The concept of a relatively pseudocomplemented directoid was introduced recently by the first author. It was shown that the class of relatively pseudocomplemented directoids forms a variety whose axiom system contains seven identities. The aim of this paper is three-fold. First we show that these identities are not independent and their independent subset is presented. Second, we modify the adjointness property known for relatively pseudocomplemented semilattices in the way which is...