Local error estimates and post processing for the Galerkin boundary element method on polygons

Autor: Hartmann, Thomas, Stephan, Ernst P.
Rok vydání: 2024
Předmět:
Druh dokumentu: Working Paper
Popis: In this paper we give local error estimates in Sobolev norms for the Galerkin method applied to strongly elliptic pseudodifferential equations on a polygon. By using the K-operator, an operator which averages the values of the Galerkin solution, we construct improved approximations.
Comment: Dedicated to Prof. George C. Hsiao on the occasion of his 90th birthday
Databáze: arXiv