Tame Automorphisms with Multidegrees in the Form of Arithmetic Progressions
Tame Automorphisms with Multidegrees in the Form of Arithmetic Progressions
复制标题
DOI:
10.1515/ms-2015-0087
复制
发表时间:
2011-12
影响因子:
1.6
通讯作者:
Jiantao Li;Xiankun Du
中科院分区:
文献类型:
--
作者:
Jiantao Li;Xiankun Du
Abstract Let (a, a + d, a + 2d) be an arithmetic progression of positive integers. The following statements are proved: (1) If a | 2d, then (a, a + d, a + 2d) ∈ mdeg(Tame(ℂ3)). (2) If a ∤ 2d and (a, a + d, a + 2d) ∉ {(4i, 5i, 6i), (4i, 7i, 10i) : i ∈ ℕ+}, then (a, a + d, a + 2d) ∉ mdeg(Tame(ℂ3)).