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Pointwise weighted approximation by Bernstein operators

Acta Mathematica Hungarica
Volume/Issue:
Volume 101: Issue 4
DOI:
https://doi.org/10.1023/b:amhu.0000004941.98294.8b
Authors:
Shunsheng Guo
,
Hongzhi Tong
, and
Gengsheng Zhang
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A strong converse inequality for left gamma quasi-interpolants in L p-spaces

Acta Mathematica Hungarica
Volume/Issue:
Volume 105: Issue 1-2
DOI:
https://doi.org/10.1023/b:amhu.0000045529.41954.da
Authors:
Shunsheng Guo
,
Lixia Liu
,
Qiulan Qi
, and
Gengsheng Zhang

Abstract  

Recently Müller [6] introduced the left Gamma quasi-interpolants and obtained an approximation equivalence theorem for them. We show the strong converse inequality of type B for the left Gamma quasi-interpolants.

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