Lifting Homeomorphisms and Cyclic Branched Covers of Spheres
Lifting Homeomorphisms and Cyclic Branched Covers of Spheres
复制标题
提升同胚和球体的循环分支覆盖
DOI：
10.1307/mmj/1508810819
复制
发表时间：
2016
影响因子：
0.9
通讯作者：
Rebecca R. Winarski
中科院分区：
文献类型：
--
作者：
Tyrone Ghaswala;Rebecca R. Winarski
我们刻画了2-球面的循环分支覆盖，其中球面的每一个同胚提升到覆盖曲面的一个同胚。这回答了一个问题，出现在早期版本的勘误的伯曼和希尔登[2]。
We characterize the cyclic branched covers of the 2-sphere where every homeomorphism of the sphere lifts to a homeomorphism of the covering surface. This answers a question that appeared in an early version of the erratum of Birman and Hilden [2].