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A Note on Tropical Curves and the Newton Diagrams of Plane Curve Singularities

机译:关于热带曲线的一个注释和平面曲线奇点的牛顿图

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摘要

For an isolated singularity which is Newton non-degenerate and also convenient, the Milnor number can be computed from the complement of its Newton diagram in the first quadrant by using Kouchnirenko's formula. In this paper, we consider tropical curves dual to subdivisions of this complement for a plane curve singularity, and show that there exists a tropical curve by which we can count the Milnor number. Our formula may be regarded as a tropical version of the well-known formula by the real morsification due to A'Campo and Gusein-Zade.
机译:对于孤立的奇异性,这是牛顿非退化和方便的,可以通过使用Kouchnirenko的公式来从第一象限中的牛顿图的补充来计算MILNOR号码。 在本文中,我们认为热带曲线双重到这种补充的平面曲线奇异性的细分,并且表明存在一种热带曲线,我们可以计算阵线数。 由于A'Campo和Gusein-Zade,我们的公式可被视为众所周知的公式的热带版本。

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