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20182022
most citedDirect guaranteed lower eigenvalue bounds with optimal a priori convergence rates for the bi-Laplacian

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math.NA2018

How to prove the discrete reliability for nonconforming finite element methods

Carsten Carstensen, Sophie Puttkammer

Optimal convergence rates of adaptive finite element methods are well understood in terms of the axioms of adaptivity. One key ingredient is the discrete reliability of a residual-…