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arXiv 1702.00883math.DG
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从PDMATHAAB到$\mathbb{C}P^n$的等变CR最小浸入

Equivariant CR minimal immersions from $S^3$ into $\mathbb{C}P^n$

Zejun Hu, Jiabin Yin, Zhenqi Li

摘要:

从圆形$3$ -球面$S^3$到复射影空间$\mathbb CP^n$的等变CR极小浸入已经被第三作者明确地分类(J London Math Soc 68:223-240,2003)。本文利用等变条件,即导出的度量是左不变的,并且赋予左不变度量的$S^3={\rm SU}(2)$的所有几何性质都可以用李代数$\mathfrak{su}(2)$的结构常数来表示,本文从$3$出发,建立了等变CR极小浸入的一个推广分类定理,在不假设截面曲率恒定的情况下,将球体$S^3$转化为$\mathbb CP^n$。

英文摘要:

The equivariant CR minimal immersions from the round $3$-sphere $S^3$ into the complex projective space $\mathbb CP^n$ have been classified by the third author explicitly (J London Math Soc 68: 223-240, 2003). In this paper, by employing the equivariant condition which implies that the induced metric is left-invariant, and that all geometric properties of $S^3={\rm SU}(2)$ endowed with a left-invariant metric can be expressed in terms of the structure constants of the Lie algebra $\mathfrak{su}(2)$, we establish an extended classification theorem for equivariant CR minimal immersions from the $3$-sphere $S^3$ into $\mathbb CP^n$ without the assumption of constant sectional curvatures.

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