A Fast Ulv Decomposition Solver for Hierarchically

Abstract

We consider an algebraic representation that is useful for matrices with off-diagonal blocks of low numerical rank. A fast and stable solver for linear systems of equations in which the coefficient matrix has this representation is presented. We also present a fast algorithm to construct the hierarchically semiseparable representation in the general case.

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@inproceedings{REPRESENTATIONS2006AFU, title={A Fast Ulv Decomposition Solver for Hierarchically}, author={SEMISEPARABLE REPRESENTATIONS and S. Chandrasekaran}, year={2006} }