Modifies WAP coarse spaces in AMG via polynomial-approximated energy-norm projection to achieve energy-norm approximation with sparse matrices.
Multilevel Block F actorization Preconditioners, Matrix-based Analysis and Algorithms for Solving Finite Element Equations
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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.