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arXiv 1602.09093math.GT
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曲面上非简单闭曲线的轨道

Orbits of non-simple closed curves on a surface

Jenya Sapir

摘要:

曲面$§$的映射类群作用于$§$上的闭测地线集。此操作保留自相交数。本文对每个$K \geq 1$,计算了具有最多$K$自交的曲线的轨道。(The $K=0$已知的情况。)对于每个$L >0$,我们还将我们的计数限制在包含长度至多为$L$的测地线的轨道上。这一结果补充了Mirzakhani最近的一个结果,该结果给出了在单个映射类群轨道中长度至多为$L$的闭测地线数目的渐近增长。此外,我们开发了一种新的,组合的方法来研究测地线的表面,这应该是独立的利益。

英文摘要:

The mapping class group of a surface $§$ acts on the set of closed geodesics on $§$. This action preserves self-intersection number. In this paper, we count the orbits of curves with at most $K$ self-intersections, for each $K \geq 1$. (The case when $K=0$ is already known.) We also restrict our count to those orbits that contain geodesics of length at most $L$, for each $L >0$. This result complements a recent result of Mirzakhani, which gives the asymptotic growth of the number of closed geodesics of length at most $L$ in a single mapping class group orbit. Furthermore, we develop a new, combinatorial approach to studying geodesics on surfaces, which should be of independent interest.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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