Korean J. Math. Vol. 25 No. 3 (2017) pp.437-453
DOI: https://doi.org/10.11568/kjm.2017.25.3.437

Generalized $(\Lambda,b)$-closed sets in topological spaces

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Published: Sep 30, 2017
Keywords:
$(\Lambda, b)$-open set, generalized $(\Lambda, b)$-closed set, $\Lambda_b$-normal space, $\Lambda_b$-regular space
Mathematics Subject Classification:
54A05, 54D10

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Chawalit Boonpok
Mathematics and Applied Mathematics Research Unit Department of Mathematics Faculty of Science Mahasarakham University

Abstract

A new class of sets, called generalized $(\Lambda,b)$-closed sets, has been introduced and studied. Also, several properties of generalized $(\Lambda,b)$-closed sets are investigated. Some characterizations of $\Lambda_b$-regular spaces and $\Lambda_b$-normal spaces are discussed.


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