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arXiv 0904.0684math.GT
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关于余维两带嵌入

On Codimension Two Ribbon Embeddings

Blake Winter

摘要:

我们考虑n \geq 2的带状n结。对于这样的结,我们定义了一组带状磁盘上的移动,并表明,任何两个带状磁盘的同位素结相关的有限序列,这样的移动和环境同位素。利用这一点,我们能够证明,有一个自然的几何对应之间的带状n-结和带状m-结,这是双射。我们还探讨了这种结的图解演算。此外,我们表明,对于这样的结,任何两个带介绍相同的结是稳定的等价。

英文摘要:

We consider ribbon n-knots for n\geq 2. For such knots we define a set of moves on ribbon disks, and show that any two ribbon disks for isotopic knots are related by a finite sequence of such moves and ambient isotopies. Using this we are able to prove that there is a natural geometric correspondence between ribbon n-knots and ribbon m-knots which is bijective. We also explore a diagrammatic calculus for such knots. In addition we show that for such knots, any two band presentations for the same knot are stably equivalent.

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