Given a closed exact Lagrangian in the cotangent bundle of a closed smooth manifold, we prove that the projection to the base is a simple homotopy equivalence.

中文翻译：

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附近拉格朗日量的简单同伦等价

给定封闭光滑流形的余切丛中的封闭精确拉格朗日量，我们证明到基的投影是一个简单的同伦等价。