Adaptive Weak Approximation of Diffusions with Jumps

Details Adaptive Weak Approximation of Diffusions with Jumps Adaptive Weak Approximation of Diffusions with Jumps

2006-09-06

arxiv.org/abs/math/0609186v1

Mathematics

Numerical Analysis

27 pages

Scientific paper

This work develops Monte Carlo Euler adaptive time stepping methods for the weak approximation problem of jump diffusion driven stochastic differential equations. The main result is the derivation of a new expansion for the omputational error, with computable leading order term in a posteriori form, based on stochastic flows and discrete dual backward problems which extends the results in [STZ]. These expansions lead to efficient and accurate computation of error estimates. Adaptive algorithms for either stochastic time steps or quasi-deterministic time steps are described. Numerical examples show the performance of the proposed error approximation and of the described adaptive time-stepping methods.

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