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| 一类抽象分歧数据在黎曼球面上的实现(英文) | |
| 作者姓名： | 蒋云峰 |
| 作者单位： | 中国科学院数学与系统科学研究院, 北京 100080 |
| 摘 要： | 对一类抽象分歧数据，给出一个充分必要条件，使得它们能够实现为黎曼球面上分歧覆盖的分歧数据。 |
| 关 键 词： | 黎曼球面 Riemann-Hurwitz公式 分歧覆盖 |
Realizability of Some Classes of Abstract Branch Data over Riemann Sphere |
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| Authors: | JIANG YunFeng |
| Institution: | Academy of Mathematics and Systems Science, Chinese Academy of Sciences, Beijing 100080, China |
| Abstract: | branch data,this paper gives a sufficient and necessary condition of them to be realized as the branch data of some branched coverings over the Riemann sphere. |
| Keywords: | Riemann sphere Riemann Hurwitz formula branched coverings |
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