(1) Department of Mathematics, Ege University, 35100 Izmir, Turkey;(2) Department of Mathematics, Ege University, 35100 Izmir, Turkey;(3) 2949-1 Shiokita-cho, Hinagu, Yatsushiro-shi, Kumamoto-ken, 869-5142 Japan
Abstract:
Summary A new class of sets called πgs-closed sets is introduced and its properties are studied. Moreover the notions of πgs-T1/2 spaces and πgs-continuity are introduced.