solidot新版网站常见问题,请点击这里查看。

The round handle problem. (arXiv:1706.09571v1 [math.GT])

来源于:arXiv
We present the Round Handle Problem, proposed by Freedman and Krushkal. It asks whether a collection of links, which contains the Generalised Borromean Rings, are slice in a 4-manifold R constructed from adding round handles to the four ball. A negative answer would contradict the union of the surgery conjecture and the s-cobordism conjecture for 4-manifolds with free fundamental group. 查看全文>>