2002 | OriginalPaper | Buchkapitel
A “Parareal” Time Discretization for Non-Linear PDE’s with Application to the Pricing of an American Put
verfasst von : Guillaume Bal, Yvon Maday
Erschienen in: Recent Developments in Domain Decomposition Methods
Verlag: Springer Berlin Heidelberg
Enthalten in: Professional Book Archive
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In this paper, we introduce a new implementation of the “parareal” time discretization aimed at solving unsteady nonlinear problems more efficiently, in particular those involving non-differentiable partial differential equations. As in the former implementation [3], the main goal of this scheme is to parallelize the time discretization to obtain an important speed up. As an application in financial mathematics, we consider the Black-Scholes equations for an American put. Numerical evidence of the important savings in computational time is also presented.