Digital Repository of Luhansk Taras Shevchenko National University

Browsing by Subject "cancellable element of a lattice"

Browsing by Subject "cancellable element of a lattice"

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  • Cancellable elements of the lattice of semigroup varieties 
    Gusev, S. V.; Skokov, D.V.; Vernikov, B. M . (ДЗ "Луганський національний університет імені Тараса Шевченка", 2018)
    We completely determine all commutative semigroup varieties that are cancellable elements of the lattice SEM of all semigroup varieties. In particular, we verify that a commutative semigroup variety is a cancellable element ...