Diffeomorphic Approximation of Sobolev Homeomorphisms

Diffeomorphic Approximation of Sobolev Homeomorphisms
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Sobolev 同胚的微分同胚近似

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发表时间:
2010
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影响因子:
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通讯作者:
Jani Onninen
Jani Onninen
中科院分区:
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作者:
T. Iwaniec;L. Kovalev;Jani Onninen

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平面开集之间属于Sobolev类$${\fancyscript{W}^{1,p} (\mathbb X, \mathbb Y), 1 < p < \infty}$$的每一个同胚$${h : \mathbb X \to \mathbb Y}$$都可以用$${\fancyscript{C}^\infty}$$ -光滑微分同态在Sobolev范数中近似。
Every homeomorphism $${h : \mathbb X \to \mathbb Y}$$ between planar open sets that belongs to the Sobolev class $${\fancyscript{W}^{1,p} (\mathbb X, \mathbb Y), 1 < p < \infty}$$, can be approximated in the Sobolev norm by $${\fancyscript{C}^\infty}$$-smooth diffeomorphisms.