1. EXISTENCE AND STABILITY RESULTS FOR NONLOCAL INITIAL VALUE PROBLEMS FOR DIFFERENTIAL EQUATIONS WITH HILFER FRACTIONAL DERIVATIVE. Authors: MOUFFAK BENCHOHRA, SOUFYANE BOURIAH, JUAN J. NIETO.2. EXISTENCE THEORY FOR IMPLICIT FRACTIONAL q-DIFFERENCE EQUATIONS IN BANACH SPACES. Authors: NADJET LALEDJ, SAÏD ABBAS, MOUFFAK BENCHOHRA, JOHNNY HENDERSON.3. IMPLICIT CAPUTO-FABRIZIO FRACTIONAL DIFFERENTIAL EQUATIONS WITH DELAY. Authors: NIETO J.JUAN, MOUFFAK BENCHOHRA, SAID ABBAS, SALIM KRIM.4. MONOTONE ITERATIVE TECHNIQUE FOR A SEQUENTIAL δ-CAPUTO FRACTIONAL DIFFERENTIAL EQUATIONS WITH NONLINEAR BOUNDARY CONDITIONS. Authors: ZIDANE BAITICHE, CHOUKRI DERBAZI, ABDELKRIM SALIM, MOUFFAK BENCHOHRA.