A hierarchical preconditioner for wave problems in quasilinear complexity

Published in To appear, 2020

Recommended citation: Bonev, Boris; Hesthaven, Jan S. "A hierarchical preconditioner for wave problems in quasilinear complexity." Under Review. https://infoscience.epfl.ch/record/279971/files/article.pdf

My most recent work is on hierarchical preconditioners for wave problems. These methods exploit a nested-dissection type hierarchy and hierarchical matrices to compute an approximate factorization to a matrix efficiently.

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