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arXiv 1004.2694math.GTmath.QA
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全捻闭辫Jones多项式的尾部

On the tail of Jones polynomials of closed braids with a full twist

Abhijit Champanerkar, Ilya Kofman

摘要:

对于一个全正捻且有k个负交叉的闭n-辫子L,0 \leq k \leq n,我们确定了Jones多项式V_L(t)的前n-k+1项.我们证明了V_L(t)满足辫子指数约束,即(1-t^2)V_L(t)的前两个非零系数之间至少有一个长度为n-k的间隙.对于一个封闭的正n-辫子与一个完整的正扭转,我们将我们的结果扩展到有色琼斯多项式。对于N>n-1,我们确定了归一化的N次有色Jones多项式的前n(N-1)+1项。

英文摘要:

For a closed n-braid L with a full positive twist and with k negative crossings, 0\leq k \leq n, we determine the first n-k+1 terms of the Jones polynomial V_L(t). We show that V_L(t) satisfies a braid index constraint, which is a gap of length at least n-k between the first two nonzero coefficients of (1-t^2)V_L(t). For a closed positive n-braid with a full positive twist, we extend our results to the colored Jones polynomials. For N>n-1, we determine the first n(N-1)+1 terms of the normalized N-th colored Jones polynomial.

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