Two-level preconditioning for h-version boundary element approximation of hypersingular operator with GenEO
Résumé
In the present contribution, we consider symmetric positive definite operators stemming from boundary integral equation (BIE), and we study a two-level preconditioner where the coarse space is built using local generalized eigenproblems in the overlap. We will refer to this coarse space as the GenEO coarse space.
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