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arXiv 1003.3268math.SG
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Reeb轨道补集上的柱接触同调

Cylindrical Contact Homology on Complements of Reeb Orbits

Al Momin

摘要:

设$V$是一个具有接触形式$λ$的闭三维流形,$L$是一个由$λ$的Reeb向量场的闭轨道组成的链.研究了非紧流形$V \backslash L$上柱切触同调的定义问题,给出了一类形式的充分条件,使得链复形可以按预期的方式定义.根据进一步的技术假设,我们表明,同源性的复杂同构是独立的选择,除了可能的某些康利-曾德尔指数与$L$的值。一个简单的例子表明,同源性可以依赖于$L$的组件的Conley-Zehnder指数。

英文摘要:

Let $V$ be a closed 3-manifold with a contact form $λ$, and let $L$ be a link consisting of closed orbits for the Reeb vector field of $λ$. We study the problem of defining cylindrical contact homology on the non-compact manifold $V \backslash L$, giving sufficient conditions on a class of forms so that the chain complex can be defined in the expected way. Under further technical assumptions we show that the homology of the complex up to isomorphism is independent of choices except possibly the values of certain Conley-Zehnder indices associated with $L$. A simple example shows that the homology can depend on the Conley-Zehnder indices of the components of $L$.

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