Roughness of gamma-subsemigroups/ideals in gamma-semigroups
Bull. Korean Math. Soc. 2003 Vol. 40, No. 3, 531-536
Published online September 1, 2003
Young Bae Jun
Gyeongsang National University
Abstract : We discuss the roughness of $\Gamma$-subsemigroups and ideals/bi-ideals in $\Gamma$-semigroups.
Keywords : upper (lower) rough $\Gamma$-subsemigroup, upper (lower) rough ideal/bi-ideal
MSC numbers : 20M12, 18B40
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