Modifies WAP coarse spaces in AMG via polynomial-approximated energy-norm projection to achieve energy-norm approximation with sparse matrices.
Additive multilevel preconditioners based on bilinear interpolation, matrix-dependent geometric coarsening and algebraic multigrid coarsening for second-order elliptic PDEs
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Modifying AMG coarse spaces with weak approximation property to exhibit approximation in energy norm
Modifies WAP coarse spaces in AMG via polynomial-approximated energy-norm projection to achieve energy-norm approximation with sparse matrices.