On n-widths for elliptic problems
On n-widths for elliptic problems
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DOI：
10.1006/jmaa.2000.6862
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发表时间：
2000-07
影响因子：
1.3
通讯作者：
J. Melenk
中科院分区：
文献类型：
--
作者：
J. Melenk
摘要给出了一类椭圆型偏微分方程解集宽度的精确界。特别注意粗糙系数方程和椭圆-椭圆型奇摄动问题。
Abstract Sharp bounds for the n -width of solution sets of a class of elliptic partial differential equations are given. Particular attention is paid to equations with rough coefficients and singularly perturbed problems of elliptic–elliptic type.