On left-orderable fundamental groups and Dehn surgeries on knots
On left-orderable fundamental groups and Dehn surgeries on knots
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关于左序基本群和结上的 Dehn 手术
DOI:
10.2969/jmsj/06710319
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发表时间:
2013
期刊:
影响因子:
--
通讯作者:
Anh T. Tran
中科院分区:
文献类型:
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作者:
Anh T. Tran
We show that the resulting manifold by $r$-surgery on the hyperbolic twist knot $K_m, \, m \ge 2$, has left-orderable fundamental group if the slope $r$ satisfies the condition $r \in (-4,2m)$ if $m$ is even, and $r \in [0,4] \cup (\frac{4m}{\omega}+4, 2m+4)$ if $m$ is odd, where $\omega>1$ is the unique real solution of the equation $x e^{x}=4m$.