On some mappings in topological spaces

Sabir Hussain, Bashir Ahmad, Takashi Noiri

Abstract

In this paper, we continue studying the properties of γ-semi-continuous and γ -semi-open functions introduced in [5], [10]. We also introduce γ*-irresolute functions and γ -pre-semi-open (closed) functions and discuss their properties.

Keywords

γgamma-closed (open), γ-closure , γ*-semi-closed (open), γ*-semi-closure, \gamma-regular, \gamma*-semi-interior,\ gam-semi-continuous functions, \ga-semi-open (closed) functions, \*-irresolute functions, \ga-pre-semi-open(closed) functions

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