Counterexamples are given to show that some results concerning a weighted L 2 {L^2} projection presented earlier by Bramble and the author are sharp, i.e., that certain error and stability estimates are impossible in some cases.
CITATION STYLE
Xu, J. (1991). Counterexamples concerning a weighted 𝐿2 projection. Mathematics of Computation, 57(196), 563–568. https://doi.org/10.1090/s0025-5718-1991-1094965-8
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