一维嵌入复形
A one-dimensional embedding complex
摘要:
给出了欧几里得空间中“长纽结”空间的有理同伦群的第一个显式计算。我们定义了一个谱序列,它收敛于这些有理同伦群,这些同伦群的E^1项是用辫李代数定义的。对于奇数k,我们建立了这个谱序列的消失线,证明了这个E^1项的行的欧拉示性数为零,并在有限范围内计算了E^2。
英文摘要:
We give the first explicit computations of rational homotopy groups of spaces of "long knots" in Euclidean spaces. We define a spectral sequence which converges to these rational homotopy groups whose E^1 term is defined in terms of braid Lie algebras. For odd k we establish a vanishing line for this spectral sequence, show the Euler characteristic of the rows of this E^1 term is zero, and make calculations of E^2 in a finite range.
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