Institution: | 1. Département de mathématiques, Université de Cergy-Pontoise, Site de Saint Martin, 2, avenue Adolphe Chauvin, 95302 Cergy-Pontoise, Cedex, France;2. Key Laboratory of Systems and Control, Academy of Mathematics and Systems Sciences, Academia Sinica, Beijing 100080, China;3. Departamento de Matemáticas, Facultad de Ciencias, Universidad Autónoma de Madrid, 28049 Madrid, Spain |