SOME FORMS OF (1, 2)-CONTINUITY IN BITOPOLOGICAL SPACES
TAKASHI NOIRI(1) and VALERIU POPA(2)
1. 2949-1 Shiokita-cho, Hinagu, Yatsushiro-shi, Kumamoto-ken, 869-5142 JAPAN e-mail: t.noiri@nifty.com 2. “Vasile Alecsandri" University of Bacău, 157 Calea Mărăşeşti, Bacău, 600115, ROMANIA e-mail: vpopa@ub.ro
Abstract
In this paper, by using mg-closed sets [35] and M-continuity [41] in m-spaces, we obtain the unified definitions and properties for τ₁τ₂-continuity, (1,2)-semi-continuity, (1,2)-precontinuity, (1,2)-α-continuity, and (1,2)-semi-precontinuity in bitopological spaces.