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arXiv math/0607074math.DGmath.AG
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流形上的自然微分运算:一种代数方法

Natural differential operations on manifolds: an algebraic approach

Pavel I. Katsylo, Dmitri A. Timashev

摘要:

我们考虑作用于光滑流形上几何量的自然代数微分运算。我们介绍了一种研究和分类的方法,这种操作,称为IT减少。它减少了自然操作的研究,以研究多项式映射之间的(向量)空间的射流是等变的某些代数群。使用IT-约简,我们得到了一些已知的结果的分类某些自然操作(Schouten定理等)的简短和概念性的证明,连同新的结果,包括不存在的普适变形量子化的泊松流形。

英文摘要:

We consider natural algebraic differential operations acting on geometric quantities over smooth manifolds. We introduce a method of study and classification of such operations, called IT-reduction. It reduces the study of natural operations to the study of polynomial maps between (vector) spaces of jets which are equivariant with respect to certain algebraic groups. Using the IT-reduction, we obtain short and conceptual proofs of some known results on the classification of certain natural operations (the Schouten theorem, etc) together with new results including the non-existence of a universal deformation quantization on Poisson manifolds.

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