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Query: faculty: "FNWI" and publication year: "2007"

AuthorsS. Dahlke, T. Raasch, M. Werner, M. Fornasier, R.P. Stevenson
TitleAdaptive Frame Methods for Elliptic Operator Equations: The Steepest Descent Approach
JournalIMA Journal of Numerical Analysis
Volume27
Year2007
Pages717-740
ISSN02724979
FacultyFaculty of Science
Institute/dept.FNWI: Korteweg-de Vries Institute for Mathematics (KdVI)
AbstractAbstract:
This paper is concerned with the development of adaptive numerical methods for elliptic operator equations. We are particularly interested in discretization schemes based on wavelet frames. We show that by using three basic subroutines an implementable, convergent scheme can be derived, which, moreover, has optimal computational complexity. The scheme is based on adaptive steepest descent iterations. We illustrate our findings by numerical results for the computation of solutions of the Poisson equation with limited Sobolev smoothness on intervals in 1D and L-shaped domains in 2D.
Document typeArticle
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