1) unramified covering surface
非分歧覆盖曲面
2) unramified covering surface
非分歧覆盖面
3) unramified covering
非分歧覆盖
4) ramified covering
分歧覆盖
1.
The authors use algebraic methods to compute the Hurwitz numbers of degree n ramified coverings of a Riemann surface of genus h by a Riemann surface of genus g having r branch points of order (1 n-k ,k).
用代数方法 ,计算分支阶数均为 (1n-k,k)的亏格为 g的黎曼面到亏格为h的黎曼面的n 重分歧覆盖的Hurwitz
5) Covering surface
覆盖曲面
1.
For the K quasimeromorphic mappings in the plane, we obtain the filling disks, Borel direction and normal criterion dealing with their multiple values by applying the geometric method of covering surface.
对于平面上的K 拟亚纯映射 ,应用覆盖曲面的几何方法 ,得到了其涉及重值的充满圆、Borel方向和正规定
2.
The family of quasi conformal mappings is studied with theory of covering surfaces.
应用覆盖曲面的理论，研究了拟共形映射族，建立了一个基本不等式，得到几个关于拟共形映射的正规定理。
3.
We improve the fundamental theroems of covering surface.
改良了十分基本的覆盖曲面定理,放宽了覆盖曲面F的边界条件。
6) Covering surfaces
覆盖曲面
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