Counterexamples concerning a weighted l2projection

Jinchao Xu

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

Counterexamples concerning a weighted l²projection

Jinchao Xu

Research output: Contribution to journal › Article › peer-review

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

Access to Document

10.1090/S0025-5718-1991-1094965-8

Cite this

@article{f66e841629df4a04ae89a0a9b71cb4bd,

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",

month = oct,

doi = "10.1090/S0025-5718-1991-1094965-8",

language = "English (US)",

volume = "57",

pages = "563--568",

journal = "Mathematics of Computation",

issn = "0025-5718",

publisher = "American Mathematical Society",

number = "196",

}

TY - JOUR

T1 - Counterexamples concerning a weighted l2projection

AU - Xu, Jinchao

PY - 1991/10

Y1 - 1991/10

N2 - 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.

AB - 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.

UR - https://www.scopus.com/pages/publications/84966249310

UR - https://www.scopus.com/pages/publications/84966249310#tab=citedBy

U2 - 10.1090/S0025-5718-1991-1094965-8

DO - 10.1090/S0025-5718-1991-1094965-8

M3 - Article

AN - SCOPUS:84966249310

SN - 0025-5718

VL - 57

SP - 563

EP - 568

JO - Mathematics of Computation

JF - Mathematics of Computation

IS - 196

ER -

Counterexamples concerning a weighted l²projection

Abstract

All Science Journal Classification (ASJC) codes

Access to Document

Other files and links

Fingerprint

Cite this