DG-FEM for Option Pricing in Levy Models
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2011
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Presentation
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Abstract
We analyze the discretization of non-local degenerate integrodifferential equations arising as so-called forward equations for jump-diffusion processes, in particular in option pricing problems when dealing with Lévy driven stochastic volatility models. Well-posedness of the arising equations is addressed. We develop and analyse stable discretization schemes. A discontinuous Galerkin (DG) Finite Element Method is analyzed. In the DG-FEM, a new regularization of hypersingular integrals in the Dirichlet Form of the pure jump part of infinite variation processes is proposed. Robustness of the stabilized discretization with respect to various degeneracies in the characteristic triple of the stochastic process is proved. We provide in particular an hp-error analysis of the DG-FEM and numerical experiments.
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unpublished
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Politecnico di Milano, Dipartimento di Matematica
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Colloquium in Applied Mathematics
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03435 - Schwab, Christoph / Schwab, Christoph
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Invited Talk.