Snell envelope with path dependent multiplicative optimality criteria

Details Snell envelope with path dependent multiplicative optimality criteria Snell envelope with path dependent multiplicative optimality criteria

2010-08-18

arxiv.org/abs/1008.3034v1

Mathematics

Numerical Analysis

Scientific paper

We analyze the Snell envelope with path dependent multiplicative optimality criteria. Especially for this case, we propose a variation of the Snell envelope backward recursion which allows to extend some classical approxima- tion schemes to the multiplicatively path dependent case. In this framework, we propose an importance sampling particle approximation scheme based on a specific change of measure, designed to concentrate the computational effort in regions pointed out by the criteria. This new algorithm is theoritically studied. We provide non asymptotic convergence estimates and prove that the resulting estimator is high biased.

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