Varieties of groupoids determined by short linear identities
Jaroslav Ježek, Tomáš Kepka (1989)
Czechoslovak Mathematical Journal
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Jaroslav Ježek, Tomáš Kepka (1989)
Czechoslovak Mathematical Journal
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Józef Dudek (1981)
Czechoslovak Mathematical Journal
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Siniša Crvenković, Józef Dudek (1985)
Czechoslovak Mathematical Journal
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J. Gałuszka (2001)
Colloquium Mathematicae
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A characterization of all classes of idempotent groupoids having no more than two essentially binary term operations with respect to small finite models is given.
J. Dudek (1981)
Fundamenta Mathematicae
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Celakoska-Jordanova, Vesna (2010)
Mathematica Balkanica New Series
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AMS Subj. Classification: 03C05, 08B20 Free algebras are very important in studying classes of algebras, especially varieties of algebras. Any algebra that belongs to a given variety of algebras can be characterized as a homomorphic image of a free algebra of that variety. Describing free algebras is an important task that can be quite complicated, since there is no general method to resolve this problem. The aim of this work is to investigate classes of groupoids, i.e. algebras...