Consistency of Generalized Finite Difference Schemes for the Stochastic HJB Equation

Authors:
J. Frédéric Bonnans;Housnaa Zidani
Affiliations:
-;-
Venue:
SIAM Journal on Numerical Analysis
Year:
2003

Citing 0
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Abstract

We analyze a class of numerical schemes for solving the HJB equation for stochastic control problems, which enters the framework of Markov chain approximations and generalizes the usual finite difference method. The latter is known to be monotonic, and hence valid, only if the scaled covariance matrix is dominant diagonal. We generalize this result by, given the set of neighboring points allowed to enter the scheme, showing how to compute effectively the class of covariance matrices that is consistent with this set of points. We perform this computation for several cases in dimensions 2, 3, and 4.