Extension of smooth functions from finitely connected planar domains

被引:0
|
作者
Nahum Zobin
机构
[1] College of William and Mary,Department of Mathematics
来源
The Journal of Geometric Analysis | 1999年 / 9卷 / 3期
关键词
46E35; extension of smooth functions; Whitney’s theorem; intrinsic metric;
D O I
10.1007/BF02921985
中图分类号
学科分类号
摘要
Consider the Sobolev space W∞k(Ω) of functions with bounded kth derivatives defined in a planar domain. We study the problem of extendability of functions from W∞k(Ω) to the whole ℝ2 with preservation of class, i.e., surjectivity of the restriction operator W∞k(ℝ2) → W∞k(Ω).
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页码:491 / 511
页数:20
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