论局部共形对称几何中精确拉格朗日的投影

Adrien Currier
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引用次数: 0

摘要

在本文中,我们在具有局部共形交映结构的封闭流形的余切束中构造了精确拉格朗日("局部共形交映 "类型)的例子,并给出了在精确拉格朗日和余切束的 $0$ 截面之间投影诱导简单同调等价的条件。这个问题追随阿布扎伊德和克拉格的脚步,更广义地说,追随阿诺德猜想的脚步。值得注意的是,我们将看到,虽然精确拉格朗日在这种情况下不可能是球面的,但阿布扎伊德-克拉格定理的天真改编在这种推广中并不成立。
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On the projection of exact Lagrangians in locally conformally symplectic geometry
In this paper, we construct examples of exact Lagrangians (of "locally conformally symplectic" type) in cotangent bundles of closed manifolds with locally conformally symplectic structures and give conditions under which the projection induces a simple homotopy equivalence between an exact Lagrangian and the $0$-section of the cotangent bundle. This line of questioning follows in the footsteps of Abouzaid and Kragh, and more generally of the Arnol'd conjecture. Notably, we will see that while exact Lagrangians cannot be spheres in this setting, a naive adaptation of the Abouzaid-Kragh theorem does not hold in this generalization.
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