Counterexamples concerning a weighted l2projection

Jinchao Xu

doi:10.1090/S0025-5718-1991-1094965-8

Counterexamples concerning a weighted l²projection

Jinchao Xu

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21 Scopus citations

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 language	English (US)
Pages (from-to)	563-568
Number of pages	6
Journal	Mathematics of Computation
Volume	57
Issue number	196
DOIs	https://doi.org/10.1090/S0025-5718-1991-1094965-8
State	Published - Oct 1991

All Science Journal Classification (ASJC) codes

Algebra and Number Theory
Computational Mathematics
Applied Mathematics

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10.1090/S0025-5718-1991-1094965-8

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title = "Counterexamples concerning a weighted l2projection",

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.",

author = "Jinchao Xu",

year = "1991",

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Counterexamples concerning a weighted l²projection

Abstract

All Science Journal Classification (ASJC) codes

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