Exact Lagrangian immersions with a single double point

Exact Lagrangian immersions with a single double point
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单双点精确拉格朗日浸没

DOI:
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发表时间:
2011
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通讯作者:
I. Smith
I. Smith
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文献类型:
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作者:
T. Ekholm;I. Smith

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设k等于0。我们证明了如果一个具有不等于-2欧拉特征的闭可定向2k流形K允许一个精确的拉格朗日浸没到具有一个横向双点且没有其他自交的复欧几里得2k空间中,那么K对标准球是微分同态的。该证明结合了花同调论证和对单调拉格朗日子流形中具有边界的全纯盘模空间的详细研究。
Let k > 2. We show that if a closed orientable 2k-manifold K, with Euler characteristic not equal to -2, admits an exact Lagrangian immersion into complex Euclidean 2k-space with one transverse double point and no other self-intersections, then K is diffeomorphic to the standard sphere. The proof combines Floer homological arguments with a detailed study of moduli spaces of holomorphic disks with boundary in a monotone Lagrangian submanifold obtained by Lagrange surgery on K.