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Séminaire des doctorants de FIME

Noise through an additional variable for mean field games master equation on finite state space

Institut Henri Poincaré
Salle 01

In this talk we are interested in the well-posedness of master equations onfinite state space involving terms modelling common noise. In this setting, the solution of the master equation depends on an additional variable modelling the value of a stochastic process impacting all players. Using technique from viscosity solutions, we give sufficient conditions for the existence of a Lipschitz continuous solution on any time interval. Undersome structural assumptions, we are even able to treat cases in which the dynamics of this stochastic process depend on the state of the game.