TY - JOUR ID - TI - On S-Subcontinuous multifunctions AU - A. K. Al-Obiadi PY - 2012 VL - 18 IS - 75 / ملحق SP - 17 EP - 23 JO - journal of the college of basic education مجلة كلية التربية الاساسية SN - 18157467 27068536 AB - 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.

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