Distance of Heegaard splittings of knot complements

Distance of Heegaard splittings of knot complements
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结补的 Heegaard 分裂距离

DOI:
10.2140/pjm.2008.236.119
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发表时间:
2007
影响因子:
0.6
通讯作者:
Maggy Tomova
Maggy Tomova
中科院分区:
数学4区
文献类型:
--
作者:
Maggy Tomova

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设K是闭可定向不可约3-流形M中的纽结,P是亏格至少为2的纽结补的Heegaard分裂.假设Q是K的桥曲面。然后,要么\开始{itemize} \item $d(P)\leq 2-\chi(Q-K)$,要么\item K可以被同位素化为与Q不相交,使得在同位素之后Q是纽结外部的Heegaard曲面,并且与P的可能稳定的副本是同位素的。
Let K be a knot in a closed orientable irreducible 3-manifold M and let P be a Heegaard splitting of the knot complement of genus at least two. Suppose Q is a bridge surface for K. Then either \begin{itemize} \item $d(P)\leq 2-\chi(Q-K)$, or \item K can be isotoped to be disjoint from Q so that after the isotopy Q is a Heegaard surface for the knot exterior and is isotopic to a possibly stabilized copy of P. \end{itemize}
使用加性 Heegaard 属和森本猜想将外部打结
DOI: --
发表时间: 2008
期刊: Algebraic & Geometric Topology 8
影响因子: --
作者:
T.Kobayashi;and Y.Rieck
通讯作者: and Y.Rieck