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A GENERAL DECOMPOSITION THEOREM FOR CLOSED FUNCTIONS


TAKASHI NOIRI 1, VALERIU POPA 2
1. 2949-1 Shiokita-cho, Hinagu, Yatsushiro-shi, Kumamoto-ken, 869-5142 JAPAN,e-mail:t.noiri@nifty.com
2. Department of Mathematics and Informatics, “Vasile Alecsandri” University of Bacău, 600114 Bacău, ROMANIA, e-mail:vpopa@ub.ro

Issue:

SSRSMI, Number 2, Volume XXI

Section:

Volume 21, Number 2

Abstract:

Quite recently, the present authors [16] have defined and investigated the notion of mg^*-closed sets as a modification of g-closed sets due to Levine [10]. In this paper, we introduce the notion of mg^*-closed function and obtain a general decomposition of closed functions in topological spaces.

Keywords:

m-structure, m-space, mg^*-closed, g-closed, mlc-set, locally closed set, decomposition of closed function.

Code [ID]:

SSRSMI201102V21S01A0006 [0003462]

Full paper:

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