Abstract
The present paper is dedicated to the preconditioning of boundary element matrices which are given in wavelet coordinates. We investigate the incomplete Cholesky factorization (ICF) for a pattern which includes also the coefficients of all off-diagonal bands associated with the level---level-interactions. The pattern is chosen in such a way that the ICF is computable in log-linear complexity. Numerical experiments are performed to quantify the effects of the proposed preconditioning.
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