most citedSecond Order Accurate Hierarchical Approximate Factorization of Sparse SPD Matrices

2 citations · 2 across the 1 of their papers we have counts for

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2 papers

math.NA2020★ 2 cited

Second Order Accurate Hierarchical Approximate Factorization of Sparse SPD Matrices

Bazyli Klockiewicz, Léopold Cambier, Ryan Humble +2

We describe a second-order accurate approach to sparsifying the off-diagonal blocks in the hierarchical approximate factorizations of sparse symmetric positive definite matrices. T…

math.NA2019

Sparse Hierarchical Preconditioners Using Piecewise Smooth Approximations of Eigenvectors

Bazyli Klockiewicz, Eric Darve

When solving linear systems arising from PDE discretizations, iterative methods (such as Conjugate Gradient, GMRES, or MINRES) are often the only practical choice. To converge in a…