International Journal of Mathematics and Mathematical Sciences
Volume 23 (2000), Issue 4, Pages 253-259
doi:10.1155/S0161171200001502

Weak and strong forms of irresolute maps

Abstract

We consider new weak and stronger forms of irresolute and semi-closure via the concept sg-closed sets which we call ap-irresolute maps, ap-semi-closed maps and contra-irresolute and use it to obtain a characterization of semi-T1/2 spaces.