• BETWEEN δ-CLOSED SETS AND δ -SEMI-CLOSED SETS
Abstract
In this paper we introduce a new class of sets, namely semi*δ-closed sets, as the complement of semi*δ-open sets. We find characterizations of semi*δ-closed sets. We also define the semi*δ-closure of a subset. Further we investigate fundamental properties of the semi*δ-closure.
Keywords
δ-semi-open set, δ-semi-closed set, semi*δ-open set, semi*δ-interior, semi*δ-closed set, semi*δ-closure.
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