THE ALEXANDER POLYNOMIAL OF (1,1)-KNOTS

THE ALEXANDER POLYNOMIAL OF (1,1)-KNOTS
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(1,1)-结的亚历山大多项式

DOI:
10.1142/s0218216506005019
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发表时间:
2005
影响因子:
0.5
通讯作者:
A. Cattabriga
A. Cattabriga
中科院分区:
数学4区
文献类型:
--
作者:
A. Cattabriga

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在本文中,我们研究了 (1,1)-结的亚历山大多项式,这些结位于最多属一的 3 流形中,允许特定的分解。更准确地说,我们研究了亚历山大多项式和与在结 K 上分支的 n 重循环覆盖的基本群的循环表示相关的多项式之间的联系,我们将其称为 K 的 n 循环多项式。通过这种方式,我们推广到所有 (1,1)-结,除了位于 S2×S1 中的结之外,这是 Minkus 针对 2 桥结获得的结果,并由作者和 M. Mulazzani 扩展到S3 中 (1,1)-结的情况。作为推论,S3 中结的亚历山大多项式的一些属性被扩展到透镜空间中的 (1,1)-结的情况。
In this paper we investigate the Alexander polynomial of (1,1)-knots, which are knots lying in a 3-manifold with genus one at most, admitting a particular decomposition. More precisely, we study the connections between the Alexander polynomial and a polynomial associated to a cyclic presentation of the fundamental group of an n-fold strongly-cyclic covering branched over the knot K, which we call the n-cyclic polynomial of K. In this way, we generalize to all (1,1)-knots, with the only exception of those lying in S2×S1, a result obtained by Minkus for 2-bridge knots and extended by the author and M. Mulazzani to the case of (1,1)-knots in S3. As corollaries some properties of the Alexander polynomial of knots in S3 are extended to the case of (1,1)-knots in lens spaces.
穿孔环面组和 2 脊结组 (1)
DOI: --
发表时间: 2007
期刊: Springer Verlag
影响因子: --
作者:
Akiyoshi;Sakuma;Wada;Yamashita
通讯作者: Yamashita