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Classifications of Isoparametric Hypersurfaces in Randers Space Forms
Acta Mathematica Sinica, English Series ( IF 0.7 ) Pub Date : 2020-09-01 , DOI: 10.1007/s10114-020-9324-2
Qun He , Pei Long Dong , Song Ting Yin

In this paper, we give the complete classifications of isoparametric hypersurfaces in Randers space forms. By studying the principal curvatures of anisotropic submanifolds in a Randers space (N, F) with the navigation data (h, W), we find that a Randers space form (N, F, dµBH) and the corresponding Riemannian space (N, h) have the same isoparametric hypersurfaces, but in general, their isoparametric functions are different. We give a necessary and sufficient condition for an isoparametric function of (N, h) to be isoparametric on (N, F, dµBH), from which we get some examples of isoparametric functions.

中文翻译:

Randers 空间形式中等参超曲面的分类

在本文中,我们给出了 Randers 空间形式的等参超曲面的完整分类。通过使用导航数据 (h, W) 研究兰德斯空间 (N, F) 中各向异性子流形的主曲率,我们发现兰德斯空间形式 (N, F, dµBH) 和相应的黎曼空间 (N, h ) 具有相同的等参超曲面,但一般而言,它们的等参函数是不同的。我们给出了 (N, h) 的等参函数在 (N, F, dµBH) 上等参的充要条件,从中我们得到了一些等参函数的例子。
更新日期:2020-09-01
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