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δ(δg)*-Closed sets in Topological Spaces

Abstract

In this paper we introduce and study a new class of generalised closed sets called δ(δg)*-closed sets in topological spaces using δg-closed sets. Moreover we analyse the relations between δ(δg)*-closed sets and already existing various closed sets. It is independent of δg-closed sets and weaker than δg*-closed sets. The class of δ(δg)*- closed sets is properly placed between the classes of δg*-closed sets and δg# -closed sets and a chain of relations is proved as follows. r-closed  π-closed  δ-closed  δg*-closed  δ(δg)*-closed  δg#-closed  gδ-closed

K.Meena , K.Sivakamasundari

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