SESSION: MA4 Qualitative properties of value functions in optimal control and differential games

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Broken extremals and singularities in solutions to the Hamilton-Jacobi-Bellman equation
Heinz Schättler, Washington University
Value functions of differential games under state constraints
Pierre Cardaliaguet, Université Paris-Dauphine, M. Quincampoix, University of Brest, P. Saint-Pierre, Université Paris-Dauphine
Regularity of Hamilton-Jacobi equations when forward is backward
C. Sinestrari, Università di Roma ``Tor Vergata'', P. Cannarsa, Università di Roma ``Tor Vergata'', E.N. Barron, University of Chicago, R. Jensen, University of Chicago
Hamilton-Jacobi equations and minimum time function in infinite dimension
Fausto Gozzi, Università di Pisa
Regularity of value function for problems under state constraints
Helene Frankowska, CNRS and Université Paris-Dauphine, Franco Rampazzo, Università di Padova