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Mean-square stability analysis of SPDE approximations.

mercredi 01 fév 2017
Faculté des sciences - Section de mathématiques

Mean-square stability analysis of the zero solution of SDE approximations is well established. In this talk the theory is generalized to martingale-driven SPDE. Since the generalization of the finite-dimensional theory is not suitable, mean-square stability of SPDE is characterized in terms of operators. Applications to Galerkin finite element methods in combination with backward Euler, Crank-Nicolson, and forward Euler approximations of the semigroup and Euler-Maruyama and Milstein schemes for the stochastic integral are presented.
This is joint work with Andreas Petersson and Andreas Thalhammer.