论文标题
正面特征中有理双点的纯粹是不可分割的覆盖物
Purely inseparable coverings of rational double points in positive characteristic
论文作者
论文摘要
我们在特征$ p> 0 $之间将纯粹不可分割的形态分类为$ p $。使用这种形态,我们完善了Artin的结果,任何RDP都可以承认有限的光滑覆盖。
We classify purely inseparable morphisms of degree $p$ between rational double points (RDPs) in characteristic $p > 0$. Using such morphisms, we refine a result of Artin that any RDP admits a finite smooth covering.