4.6 Article

Tempered generalized functions and Hermite expansions

Journal

NONLINEAR ANALYSIS-THEORY METHODS & APPLICATIONS
Volume 74, Issue 2, Pages 479-493

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.na.2010.09.003

Keywords

Hermite functions; Generalized function algebras; Fourier transform; Ito formula

Funding

  1. CNPQ [302704/2008-6]
  2. FAPESP [2007/54740-4]

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In this work we introduce an algebra of tempered generalized functions. The tempered distributions are embedded in this algebra via their Hermite expansions. The Fourier transform is naturally extended to this algebra in such a way that the usual relations involving multiplication, convolution and differentiation are valid. Furthermore, we give a generalized Ito formula in this context and some applications to stochastic analysis. (C) 2010 Elsevier Ltd. All rights reserved.

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