Embedding surfaces into $S^3$ with maximum symmetry

Embedding surfaces into $S^3$ with maximum symmetry
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DOI:
10.4171/ggd/334
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发表时间:
2012-09
期刊:
arXiv: Geometric Topology
影响因子:
--
通讯作者:
Chao Wang;Shicheng Wang;Yimu Zhang;B. Zimmermann
Chao Wang;Shicheng Wang;Yimu Zhang;B. Zimmermann
中科院分区:
其他
文献类型:
--
作者:
Chao Wang;Shicheng Wang;Yimu Zhang;B. Zimmermann

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我们把讨论限制在可定向范畴。当g > 1时,设OE_g是有限群G作用在亏格g的闭曲面上的最大阶,该闭曲面在$(S^3,\Sigma_g)$上延伸,其中最大阶取所有可能的嵌入$\Sigma_g\hookrightarrow S^3$。我们将为每个$g$确定$OE_g$,实际上是实现$OE_g$的动作。特别是,除了23个例外,$OE_g$是4(g+1)$ if $g\ne k^2$或4(\sqrt{g}+1 ^2 $ if $g=k^2$,而且除了$g=21$和$481$之外,$OE_g$可以通过所有$g$的非打结嵌入来实现。
We restrict our discussion to the orientable category. For $g > 1$, let $OE_g$ be the maximum order of a finite group $G$ acting on the closed surface $\Sigma_g$ of genus $g$ which extends over $(S^3, \Sigma_g)$, where the maximum is taken over all possible embeddings $\Sigma_g\hookrightarrow S^3$. We will determine $OE_g$ for each $g$, indeed the action realizing $OE_g$. In particular, with 23 exceptions, $OE_g$ is $4(g+1)$ if $g\ne k^2$ or $4(\sqrt{g}+1)^2$ if $g=k^2$, and moreover $OE_g$ can be realized by unknotted embeddings for all $g$ except for $g=21$ and $481$.