1. EXISTENCE AND TOPOLOGICAL STRUCTURE OF SOLUTION SETS FOR Φ-LAPLACIAN IMPULSIVE STOCHASTIC DIFFERENTIAL SYSTEMS. Authors: TAYEB BLOUHI, MOHAMED FERHAT.2. EXISTENCE FOR STOCHASTIC SWEEPING PROCESS WITH FRACTIONAL BROWNIAN MOTION. Authors: TAYEB BLOUHI, MOHAMED FERHAT, SAFIA BENMANSOUR.