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arXiv 0909.5429math.AG
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同构Milnor代数的加权齐次多项式

Weighted Homogeneous Polynomials with Isomorphic Milnor Algebras

Imran Ahmed

摘要:

我们首先回顾一些基本事实的加权齐次函数和过滤环$A$的正式幂级数。接下来,我们介绍他们的类似物加权齐次同态和向量场。我们证明了Milnor代数对于加权齐次多项式关于右等价的分类是一个完全不变量,右等价是指源和目标的坐标通过右同态的变化.

英文摘要:

We recall first some basic facts on weighted homogeneous functions and filtrations in the ring $A$ of formal power series. We introduce next their analogues for weighted homogeneous diffeomorphisms and vector fields. We show that the Milnor algebra is a complete invariant for the classification of weighted homogeneous polynomials with respect to right-equivalence, i.e. change of coordinates in the source and target by diffeomorphism.

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