On Quasigroup Varieties Closed Under Isotopy
Sava Krstić (1986)
Publications de l'Institut Mathématique
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Sava Krstić (1986)
Publications de l'Institut Mathématique
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Aleksandar Krapež (2013)
Publications de l'Institut Mathématique
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Jaroslav Ježek, Tomáš Kepka (1979)
Czechoslovak Mathematical Journal
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Václav Havel, Miloslava Sedlářová (1994)
Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica
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Aleksandar Krapež, Bojan Marinković (2016)
Commentationes Mathematicae Universitatis Carolinae
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According to S. Krstić, there are only four quadratic varieties which are closed under isotopy. We give a simple procedure generating quadratic identities and deciding which of the four varieties they define. There are about 37000 such identities with up to five variables.
Aleš Drápal, Tomáš Kepka (1990)
Czechoslovak Mathematical Journal
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V. A. Shcherbacov, D. I. Pushkashu (2010)
Commentationes Mathematicae Universitatis Carolinae
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Information on the structure of finite paramedial quasigroups, including a classification of finite simple paramedial quasigroups, is given. The problem ``Classify the finite simple paramedial quasigroups'' was posed by J. Ježek and T. Kepka at the conference LOOPS'03, Prague 2003.