齐次近Kähler空间$\mathbb{S}^3\times\mathbb{S}^3$中的迷向拉格朗日子流形
On isotropic Lagrangian submanifolds in the homogeneous nearly Kähler $\mathbb{S}^3\times\mathbb{S}^3$
摘要：
本文证明了$6$维严格近Kähler流形中的迷向拉格朗日子流形是全测地的.在较弱的条件下，得到了齐次近似Kähler $\mathbb{S}^3\times \mathbb{S}^3$中$J$ -迷向拉格朗日子流形的完全分类.这里，拉格朗日子流形称为$J$ -迷向的，如果存在函数$λ$，使得$g((\nabla h)(v,v,v),Jv)=λ$对所有单位切向量$v$成立。
英文摘要：
In this paper, we show that isotropic Lagrangian submanifolds in a $6$-dimensional strict nearly Kähler manifold are totally geodesic. Moreover, under some weaker conditions, a complete classification of the $J$-isotropic Lagrangian submanifolds in the homogeneous nearly Kähler $\mathbb{S}^3\times \mathbb{S}^3$ is also obtained. Here, a Lagrangian submanifold is called $J$-isotropic, if there exists a function $λ$, such that $g((\nabla h)(v,v,v),Jv)=λ$ holds for all unit tangent vector $v$.
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