Counterexamples concerning a weighted l2projection

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21 Scopus citations


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. © 1991 American Mathematical Society.
Original languageEnglish (US)
Pages (from-to)563-568
Number of pages6
JournalMathematics of Computation
Issue number196
StatePublished - Jan 1 1991
Externally publishedYes

ASJC Scopus subject areas

  • Algebra and Number Theory
  • Computational Mathematics
  • Applied Mathematics


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