Knots and links in steady solutions of the Euler equation

Knots and links in steady solutions of the Euler equation
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DOI:
10.4007/annals.2012.175.1.9
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发表时间:
2010-03
期刊:
arXiv: Mathematical Physics
影响因子:
--
通讯作者:
A. Enciso;D. Peralta-Salas
A. Enciso;D. Peralta-Salas
中科院分区:
其他
文献类型:
--
作者:
A. Enciso;D. Peralta-Salas

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给定任何可能的无界局部有限链接,我们证明了存在一个光滑的同构变换这个链接到一组流(或涡)线的矢量场,解决定常不可压缩欧拉方程在$\mathbb{R}^3 $。此外,在任何C^r$范数下,可以任意选择接近恒等式的复同态。
Given any possibly unbounded, locally finite link, we show that there exists a smooth diffeomorphism transforming this link into a set of stream (or vortex) lines of a vector field that solves the steady incompressible Euler equation in $\mathbb{R}^3$. Furthermore, the diffeomorphism can be chosen arbitrarily close to the identity in any $C^r$ norm.