Browsing by Subject "quasigroup"

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  • Sokhatsky, Fedir M.; Fryz, Iryna V. (Czech Republic: COMMENTATIONES MATHEMATICAE UNIVERSITATIS CAROLINAE, 2012)
    We study the Invertibility of operations that are a composition of two operations of arbitrary arities. We find the criterion for quasigroups and specifications for T-quasigroups. For this purpose, we introduce notions of ...