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arXiv 1104.0073math.GTmath.AT
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R^3中长纽结空间的第一非平凡单上圈的整式

An integral expression of the first non-trivial one-cocycle of the space of long knots in R^3

Keiichi Sakai

摘要:

我们的主要研究对象是R^3中长纽结空间K的一个一定程度的上同调类。我们描述这一类的图形和配置空间积分,显示消失的一些异常障碍。为了证明这个类不是零,我们将它整合到Gramain研究的一个循环中。作为推论,我们建立了这个类和(R值)卡森结不变量之间的关系。这些都是R-版本的结果,以前证明Teiblyum,Turchin和Vassiliev在Z/2以不同的方式从我们的。

英文摘要:

Our main object of study is a certain degree-one cohomology class of the space K of long knots in R^3. We describe this class in terms of graphs and configuration space integrals, showing the vanishing of some anomalous obstructions. To show that this class is not zero, we integrate it over a cycle studied by Gramain. As a corollary, we establish a relation between this class and (R-valued) Casson's knot invariant. These are R-versions of the results which were previously proved by Teiblyum, Turchin and Vassiliev over Z/2 in a different way from ours.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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