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On the Hadamard product of degenerate subvarieties
Portugaliae Mathematica ( IF 0.8 ) Pub Date : 2020-02-13 , DOI: 10.4171/pm/2029
Gabriele Calussi 1 , Enrico Carlini 2 , Giuliana Fatabbi 3 , Anna Lorenzini 3
Affiliation  

We consider generic degenerate subvarieties $X_i\subset\mathbb{P}^n$. We determine an integer $N$, depending on the varieties, and for $n\geq N$ we compute dimension and degree formulas for the Hadamard product of the varieties $X_i$. Moreover, if the varieties $X_i$ are smooth, their Hadamard product is smooth too. For $n

中文翻译:

关于退化子变体的Hadamard积

我们考虑泛型退化子变量 $X_i\subset\mathbb{P}^n$。我们根据品种确定一个整数 $N$,对于 $n\geq N$,我们计算品种 $X_i$ 的 Hadamard 乘积的维数和度数公式。此外,如果品种 $X_i$ 是平滑的,那么它们的 Hadamard 乘积也是平滑的。对于 $n
更新日期:2020-02-13
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