John Nohel, Héctor J. Sussmann
this paper, his only venture into control theory, Levinson solves the following basic problem of fundamental importance in the theory of linear control systems. Use IR
Monotone Trajectories of Multivalued Dynamical Systems. (2002)
Aubin,Jean-Pierre, Cellina,Arrigo, Nohel,John
We prove existence of monotone trajectories for a class of discrete and continuous systems sufficiently general to include problems of some interest in economic and biological theory. We prove...