论文标题
$（2,1）$ - 图八结的电缆不平稳地切片
The $(2,1)$-cable of the figure-eight knot is not smoothly slice
论文作者
论文摘要
我们证明，$（2,1）$ - 图形结的电缆并不能通过表明其分支的双盖边界没有任何均等同源球来平滑地切片。
We prove that the $(2,1)$-cable of the figure-eight knot is not smoothly slice by showing that its branched double cover bounds no equivariant homology ball.
