A topological introduction to knot contact homology

A topological introduction to knot contact homology
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结接触同调的拓扑介绍

DOI:
10.1007/978-3-319-02036-5_10
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发表时间:
2012
期刊:
arXiv: Geometric Topology
影响因子:
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通讯作者:
Lenhard L. Ng
Lenhard L. Ng
中科院分区:
--
文献类型:
--
作者:
Lenhard L. Ng

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纽结接触同调是用拉格朗日边界条件对纽结的法丛上的拉格朗日边界条件进行全切丛的全纯曲线计数而得到的Floer理论纽结不变量.在其他方面,这可以用来产生一个三元多项式,它可以检测结点,并推测包含许多已知的结点不变量;包的不同部分产生\(\mathbb{R}^{3}\)中的横向结点的有效不变量。
Knot contact homology is a Floer-theoretic knot invariant derived from counting holomorphic curves in the cotangent bundle of \(\mathbb{R}^{3}\) with Lagrangian boundary condition on the conormal bundle to the knot. Among other things, this can be used to produce a three-variable polynomial that detects the unknot and conjecturally contains many known knot invariants; a different part of the package yields an effective invariant of transverse knots in \(\mathbb{R}^{3}\).