@Article{, title={On S-Subcontinuous multifunctions}, author={A. K. Al-Obiadi}, journal={journal of the college of basic education مجلة كلية التربية الاساسية}, volume={18}, number={75 / ملحق}, pages={17-23}, year={2012}, abstract={In this paper we introduce a new concept, namely the s-subcontinuity for multifunction as a generalization of subcontinuity. We characterize s-compact preserving multifunctions in terms of s-subcontinuity. Conditions implying upper s-semi continuity for multifunction are derived. Several new characterizations for upper s- semi-continuity and lower s- semi continuity are obtained using filterbasis. Furthermore we obtain some results on multifunction with s-closed graphs.

} }