Difference-quadrature schemes for nonlinear degenerate parabolic integro-PDE

Details Difference-quadrature schemes for nonlinear degenerate parabolic integro-PDE Difference-quadrature schemes for nonlinear degenerate parabolic integro-PDE

2009-06-08

arxiv.org/abs/0906.1458v1

Mathematics

Analysis of PDEs

Scientific paper

We derive and analyze monotone difference-quadrature schemes for Bellman equations of controlled Levy (jump-diffusion) processes. These equations are fully non-linear, degenerate parabolic integro-PDEs interpreted in the sense of viscosity solutions. We propose new ``direct'' discretizations of the non-local part of the equation that give rise to monotone schemes capable of handling singular Levy measures. Furthermore, we develop a new general theory for deriving error estimates for approximate solutions of integro-PDEs, which thereafter is applied to the proposed difference-quadrature schemes.

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