Members Filter is enabled : using tag 'complex system' Associate Members Normandie, France Galinon-Melenec, Béatrice CIRTAI/CDHET, Université du Havre, France Sapin, Emmanuel IRED, CNRS, Rouen Middle-East El-Dessoky, Mohamed Department of Mathematics, Faculty of Science, Mansoura University, Mansoura 35516, Egypt, Egypt