Counterexamples concerning a weighted l2projection

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Abstract

Counterexamples are given to show that some results concerning a weighted L2projection presented earlier by Bramble and the author are sharp, i.e., that certain error and stability estimates are impossible in some cases.

Original languageEnglish (US)
Pages (from-to)563-568
Number of pages6
JournalMathematics of Computation
Volume57
Issue number196
DOIs
StatePublished - Oct 1991

All Science Journal Classification (ASJC) codes

  • Algebra and Number Theory
  • Computational Mathematics
  • Applied Mathematics

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