Embedding periodic maps on surfaces into those on S3

Embedding periodic maps on surfaces into those on S3
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DOI:
10.1007/s11401-015-0890-z
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发表时间:
2013-02
期刊:
Chinese Annals of Mathematics, Series B
影响因子:
--
通讯作者:
Yu Guo;Chao Wang;Shicheng Wang;Yimu Zhang
Yu Guo;Chao Wang;Shicheng Wang;Yimu Zhang
中科院分区:
其他
文献类型:
--
作者:
Yu Guo;Chao Wang;Shicheng Wang;Yimu Zhang

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称一个周期映射为闭可定向曲面可扩张的,如果它扩张为一个在可能嵌入的对(S3,Sg)上的周期映射:Sg →S3。本文给出了所有周期映射在图2上的可拓性。结果涉及到对(S3,S3 g)上的周期映射的各种方向保持/反转表示。为了做到这一点,作者首先列出了所有的周期映射上的x2,事实上,作者展示了他们每一个作为一个组成的主要和明确的对称性,如旋转,反射和对映映射,这本身应该是有趣的。一个副产品是,对于每个eveng,最大阶周期映射在E-N上是可扩的,这与方向保持范畴中的情况形成鲜明对比。
Call a periodic maphon the closed orientable surface Σgextendable ifhextends to a periodic map over the pair (S3,Σg) for possible embeddingse: Σg→S3. The authors determine the extendabilities for all periodical maps on Σ2. The results involve various orientation preserving/reversing behalves of the periodical maps on the pair (S3,Σg). To do this the authors first list all periodic maps on Σ2, and indeed the authors exhibit each of them as a composition of primary and explicit symmetries, like rotations, reflections and antipodal maps, which itself should be interesting. A by-product is that for each eveng, the maximum order periodic map on Σgis extendable, which contrasts sharply with the situation in the orientation preserving category.