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Seminar

Explicit Approximate Green's Function for Parabolic Equations. September 17, 2010
Location: MSRI: Baker Board Room
Speaker(s) Anna Mazzucato
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We construct explicitly computable approximations to the Green's function of certain second-order parabolic equations, using Dyson series, Taylor expansions and exact commutator formulas. These approximations are accurate to arbitrary order in the short-time limit, and can be extended to large time by combining with numerical bootstrapping. The method applies also to certain kinds of degenerate equations, such as Fokker-Planck equations arising in pricing of contingent claims. A main motivation for this work is parameter estimation via Bayesian inference.

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