函数的上同调
A cohomology attached to a function
摘要:
本文研究了在泊松几何中自然产生的光滑函数的上同调。我们解释了这个上同调取决于功能,我们证明,它满足切除和迈耶-Vietoris公理。对于正则函数,我们证明了上同调与de Rham上同调有关.最后,我们利用它给出了A.复解析几何中的迪姆卡。
英文摘要:
In this paper, we study a certain cohomology attached to a smooth function, which arose naturally in Poisson geometry. We explain how this cohomology depends on the function, and we prove that it satisfies both the excision and the Mayer-Vietoris axioms. For a regular function we show that the cohomology is related to the de Rham cohomology. Finally, we use it to give a new proof of a well-known result of A. Dimca in complex analytic geometry.
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