Publication Cover
Applicable Analysis
An International Journal
Volume 63, 1996 - Issue 1-2
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Original Articles

The fast solution of periodic pseudodifferential equations

Pages 3-23 | Received 01 Mar 1996, Published online: 20 Jan 2011
 

Abstract

We construct a fast algorithm for the solution of periodic pseudodifferential equations, which, additionally, has a higher order convergence rate in Sobolev spaces with negative order than the collocation method. The first step of our algorithm consists in using a parametrix for the pseudodifferential operator in order to get an approximate solution on a fine grid. In a second step this solution is corrected by the solution of a Galerkin scheme on a coarse grid. Both trigonometric and spline approximation methods are considered.

*This work was supported by the Priority Research Program “Boundary Element Methods” of the German Research Foundation(Deutsche Forschungsgemeinschaft)

*This work was supported by the Priority Research Program “Boundary Element Methods” of the German Research Foundation(Deutsche Forschungsgemeinschaft)

Notes

*This work was supported by the Priority Research Program “Boundary Element Methods” of the German Research Foundation(Deutsche Forschungsgemeinschaft)

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