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math.NA2018★ 3 cited
A Fast Hierarchically Preconditioned Eigensolver Based On Multiresolution Matrix Decomposition
Thomas Y. Hou, De Huang, Ka Chun Lam +1
In this paper we propose a new iterative method to hierarchically compute a relatively large number of leftmost eigenpairs of a sparse symmetric positive matrix under the multireso…
math.NA2017
An adaptive fast solver for a general class of positive definite matrices via energy decomposition
Thomas Y. Hou, D. Huang, K. C. Lam +1
In this paper, we propose an adaptive fast solver for a general class of symmetric positive definite (SPD) matrices which include the well-known graph Laplacian. We achieve this by…