中文

格空间上horocycle流的Poincaré截面

动力系统 2012-07-24 v2 几何拓扑 数论

摘要

我们构造了模曲面SL(2,R)/SL(2,Z)SL(2, \R)/SL(2, \Z)上horocycle流的Poincaré截面,并研究了相关的首次返回映射,该映射与Boca-Cobeli-Zaharescu定义的变换(BCZ映射)一致。我们分类了该映射的遍历不变测度,并证明了周期轨道的等分布。作为推论,我们得到了关于尖点游走平均深度以及Farey序列和格向量斜率间隙分布的结果。

关键词

引用

@article{arxiv.1206.6597,
  title  = {A Poincar\'e section for horocycle flow on the space of lattices},
  author = {Jayadev S. Athreya and Yitwah Cheung},
  journal= {arXiv preprint arXiv:1206.6597},
  year   = {2012}
}

备注

39 pages, 12 figures, some updates and added references. The large figure on page 3 has been changed to be more manageable. Submitted to Inventiones Mathematicae