On Generalized b-Closed Sets in Bitopological Spaces

M.Ganster & M.Steiner introduced and studied the concept of gb-closed set for general topology which motivates to introduce gb- closed sets in bitopological spaces, symbolized by ij? gb-closed sets, being the main object of this paper. This paper contains the properties of the above sets and introduces two new bitopological spaces ij - T * b1/2 and ij - *T b1/2 spaces as applications.Also the relations of these spaces with ij-T1/2 and ij-T-b1/2 spaces have been found a place in this paper