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J. Korean Math. Soc. 2010; 47(4): 735-742
Printed July 1, 2010
https://doi.org/10.4134/JKMS.2010.47.4.735
Copyright © The Korean Mathematical Society.
On generalized $\lambda ^{s}_{ \delta}$-sets and related topics topology
Miguel Caldas, Esref Hatir, and Saeid Jafari
Universidade Federal Fluminense, Selcuk Universitesi, University of Copenhagen
In this paper, we define and study the concept of $\Lambda ^{s}_{ \delta}$-closure operator and the associated topology $\tau ^{\Lambda ^{s}_{ \delta}}$ on a topological space $(X, \tau)$ in terms of $g.\Lambda ^{s}_{ \delta}$-sets.
Keywords: $\delta$-semiopen set, $\delta$-semi $T_1$ space, $\Lambda ^{s}_{ \delta}$-sets, $V^{s}_{ \delta}$-sets, topology $\tau^{\Lambda ^{s}_{\delta}}$
MSC numbers: Primary 54B05, 54C08; Secondary 54D05
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