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Exact Constants for Simultaneous Approximation Of Sobolev Classes by Piecewise Hermite Interpolation
Analysis Mathematica ( IF 0.7 ) Pub Date : 2019-04-29 , DOI: 10.1007/s10476-019-0985-y
G. Q. Xu , Y. P. Liu , L. Y. Xiong

We determine the exact constants for simultaneous L2-approximation of Sobolev classes by piecewise Hermite interpolation with equidistant nodes. The general results are applied to obtain sharp Wirtinger–Sobolev type inequalities.

中文翻译:

通过分段 Hermite 插值同时逼近 Sobolev 类的精确常数

我们通过等距节点的分段 Hermite 插值确定 Sobolev 类的同时 L2 近似的精确常数。应用一般结果来获得尖锐的 Wirtinger-Sobolev 型不等式。
更新日期:2019-04-29
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