Adjoint transform of Willmore surfaces in

Adjoint transform of Willmore surfaces in
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DOI:
10.1007/s00229-006-0635-0
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发表时间:
2005-08
影响因子:
0.6
通讯作者:
Xiang Ma
Xiang Ma
中科院分区:
数学4区
文献类型:
--
作者:
Xiang Ma

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利用移动标架方法,研究了一对共形浸没曲面的Möbius几何。与它们相关的两个新的不变量θ和ρ以及触摸和共触摸的概念自然地产生了。作为应用程序,可以为中的任何Willmore曲面定义伴随变换。它总是局部存在的,从而推广了已有的Willmore曲面的对偶定理。最后,我们用调和映射刻画了一对伴随的Willmore曲面。
Using moving frame method, we study the Möbius geometry of a pair of conformally immersed surfaces in . Two new invariants θ andρassociated with them arise naturally as well as the notion of touch and co-touch. As an application, adjoint transform is defined for any Willmore surface in . It always exists locally, hence generalizes known duality theorems of Willmore surfaces. Finally we characterize a pair of adjoint Willmore surfaces in terms of harmonic map.