Stephan, Ernst; Tran, T
We extend the approach of Cai and Widlund (Domain decomposition algorithms for indefinite elliptic problems, SIAM J. Sci. Stat. Comput. 13 (1992), 243-258), which was designed for finite element discretizations, to boundary element discretizations of indefinite weakly singular integral equations. Both the h and p versions of the Galerkin approximation are considered. We prove that the additive Schwarz method suggested by Cai and Widlund can be used for this equation as an efficient...[Show more]
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