Two‐Generator Arithmetic Kleinian Groups II

Two‐Generator Arithmetic Kleinian Groups II
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双生成算术 Kleinian 群 II

DOI:
10.1112/s0024609397004359
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发表时间:
1998
影响因子:
0.9
通讯作者:
Gaven Martin
Gaven Martin
中科院分区:
数学3区
文献类型:
--
作者:
F. Gehring;C. Maclachlan;Gaven Martin

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推广了前人的工作,证明了一个生成元为抛物线,另一个为抛物线或椭圆线的两生成元Kleinan群的个数是有限的。我们还确定了由两个抛物线元素生成的所有算术Klein群。令人惊讶的是,正好有4个这样的人,直到共轭,而且他们都是无扭转的。1991年数学科目分类30F40,20h10。
Extending earlier work, we establish the finiteness of the number of two‐generator arithmetic Kleinian groups with one generator parabolic and the other either parabolic or elliptic. We also identify all the arithmetic Kleinian groups generated by two parabolic elements. Surprisingly, there are exactly 4 of these, up to conjugacy, and they are all torsion free. 1991 Mathematics Subject Classification 30F40, 20H10.