Pointwise and global sums and negatives of binary relations.
Glavosits, Tamás, Száz, Árpád (2002)
Analele Ştiinţifice ale Universităţii “Ovidius" Constanţa. Seria: Matematică
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Glavosits, Tamás, Száz, Árpád (2002)
Analele Ştiinţifice ale Universităţii “Ovidius" Constanţa. Seria: Matematică
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Ivan, Gheorghe (2002)
Novi Sad Journal of Mathematics
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J. Gałuszka (1999)
Colloquium Mathematicae
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We give an equational description of all idempotent groupoids with at most three essentially n-ary term operations.
Buneci, Mădălina Roxana (2005)
Acta Universitatis Apulensis. Mathematics - Informatics
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Tu, Jean-Louis (2004)
Documenta Mathematica
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Ephrem, Menassie (2011)
The New York Journal of Mathematics [electronic only]
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François Lemieux, Cristopher Moore, Denis Thérien (2000)
Commentationes Mathematicae Universitatis Carolinae
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We consider the question of which loops are capable of expressing arbitrary Boolean functions through expressions of constants and variables. We call this property . It is a generalization of functional completeness, and is intimately connected to the computational complexity of various questions about expressions, circuits, and equations defined over the loop. We say that a loop is if it is an iterated affine quasidirect product of Abelian groups; polyabelianness coincides with solvability...
Coleman, Clare, Easdown, David (2002)
Beiträge zur Algebra und Geometrie
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D. Bredikhin (1993)
Banach Center Publications
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M. Kostić (2009)
Bulletin, Classe des Sciences Mathématiques et Naturelles, Sciences mathématiques
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