- DOUBLE (r, s)(u, v)-PREOPEN SETS
- Lee, Eun Pyo ; Lee, Seung On ;
- Journal of the Chungcheong Mathematical Society , volume 29, issue 1, 2016, Pages 13~22
- DOI : 10.14403/jcms.2016.29.1.13

Abstract

We introduce the concepts of double (r, s)(u, v)-preopen sets, double (r, s)(u, v)-preclosed sets and double pairwise (r, s)(u, v)-precontinuous mappings in double bitopological spaces and investigate some of their characteristic properties.