论文标题
表面同源性的相交形式由有限组作用
The intersection form on the homology of a surface acted on by a finite group
论文作者
论文摘要
令G为一个有限的组,通过保留方向的同态形态自由作用于紧凑的表面S。然后,存在于第一个同源性小组中的G-不变的Lagrangian子空间。
Let G be a finite group acting freely on a compact oriented surface S by homeomorphisms preserving the orientation. Then, there exists a G-invariant Lagrangian subspace in the first homology group of S.