Special Session 131: 

Sobolev regularity for first order mean field games

Alpar R. Meszaros
UCLA
USA
Co-Author(s):    Jameson Graber
Abstract:
In this talk we present some Sobolev estimates for weak solutions of first oder variational Mean Field Game systems with coupling terms that are local function of the density variable. Under some coercivity condition on the coupling, we obtain first order Sobolev estimates for the density variable, while under similar coercivity condition on the Hamiltonian we obtain second order Sobolev estimates for the value function. These results are valid both for stationary and time-dependent problems. In the latter case the estimates are fully global in time, thus we resolve a question which was left open in a recent paper of Prosinski and Santambrogio. Our methods apply to a large class of Hamiltonians and coupling functions.