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Heisenberg Calculus and Spectral Theory of Hypoelliptic Operators on Heisenberg Manifolds

机译:海森堡流形上的海森堡微积分和次椭圆算子的谱理论

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This memoir deals with the hypoelliptic calculus on Heisenberg manifolds, including CR and contact manifolds. In this context the main differential operators at stake include the Hormander's sum of squares, the Kohn Laplacian, the horizontal sublaplacian, the CR conformal operators of Gover-Graham and the contact Laplacian. These operators cannot be elliptic and the relevant pseudodifferential calculus to study them is provided by the Heisenberg calculus of Beals-Greiner and Taylor.
机译:该回忆录涉及海森堡流形上的次椭圆演算,包括CR和接触流形。在这种情况下,主要的差分算子包括Hormander平方和,Kohn Laplacian,水平次拉普拉斯算子,Gover-Graham的CR共形算子和接触Laplacian。这些算子不能是椭圆形的,而Beals-Greiner和Taylor的Heisenberg微积分提供了研究它们的相关伪微积分。

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