The reduced knot Floer complex

The reduced knot Floer complex
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简化结Floer复合体

DOI:
10.1016/j.topol.2015.08.008
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发表时间:
2013
影响因子:
0.6
通讯作者:
David Krcatovich
David Krcatovich
中科院分区:
数学4区
文献类型:
--
作者:
David Krcatovich

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我们定义了结Floer复合体CFK−(K)的一个“简化”版本,并证明了它在连通和下表现良好,并保留了足够的信息来计算作为结K上的运算而产生的流形的Heegaard Floer d不变量。作为对连通和的应用,我们证明了如果三球面上的一个结允许l空间的运算,那么它必须是素数结。作为d-不变量计算的一个应用,我们证明了Alexander多项式是l -空间结类中的一个协调不变量,并且证明了+ 1-手术的d-不变量给出的四格界与Ozsváth-Szabó τ不变量、结签名和Rasmussen不变量给出的格界无关。
We define a “reduced” version of the knot Floer complex CFK−(K), and show that it behaves well under connected sums and retains enough information to compute Heegaard Floer d-invariants of manifolds arising as surgeries on the knot K. As an application to connected sums, we prove that if a knot in the three-sphere admits an L-space surgery, it must be a prime knot. As an application to the computation of d-invariants, we show that the Alexander polynomial is a concordance invariant within the class of L-space knots, and show the four-genus bound given by the d-invariant of+ 1-surgery is independent of the genus bounds given by the Ozsváth–Szabó τ invariant, the knot signature and the Rasmussen s invariant.
使用非平凡亚历山大多项式对结进行拓扑切片
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发表时间: 2012
影响因子: 1.7
作者:
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