中文

有限域上射影直线的四次置换有理函数

数论 2020-08-18 v2

摘要

近来,Ferraguti 与 Micheli 确定了有限域 Fq\Bbb F_q 上射影直线 P1(Fq)\Bbb P^1(\Bbb F_q) 的三次置换有理函数。在本文中,我们使用一种不同的方法,确定了所有置换 P1(Fq)\Bbb P^1(\Bbb F_q) 的四次有理函数。

关键词

引用

@article{arxiv.2005.07213,
  title  = {Rational functions of Degree Four that Permute the Projective Line over a Finite Field},
  author = {Xiang-dong Hou},
  journal= {arXiv preprint arXiv:2005.07213},
  year   = {2020}
}

备注

12 pages. Sporadic PRs with small q's are determines. Typos in v1 are corrected