Sinem Tarsuslu, Gökhan Çuvalcıoğlu, Emine Demirbaş
Abstract
Let S be a multiplicative subset of a commutative ring R . We considered a R × S as a universal and introduced the notion of lower[upper] approximations in a R × S . Also, we gave some properties of the lower[upper] approximations in a R × S . We obtained some properties of rough ideals
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Let S be a multiplicative subset of a commutative ring R . We considered a R × S as a universal and introduced the notion of lower[upper] approximations in a R × S . Also, we gave some properties of the lower[upper] approximations in a R × S . We obtained some properties of rough ideals
Key concepts: Multiplicative function, Mathematics, Approximations of π, Commutative property, Upper and lower bounds, Ring (chemistry), Rough set, Set (abstract data type)