A volumish theorem for alternating virtual links

A volumish theorem for alternating virtual links
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交替虚拟链路的体积定理

DOI:
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发表时间:
2020
期刊:
影响因子:
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通讯作者:
I. Kofman
I. Kofman
中科院分区:
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文献类型:
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作者:
Abhijit Champanerkar;I. Kofman

文献摘要

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Dasbach和Lin证明了交替链接的“体积定理”。我们证明了类似的交替链接图的表面上,它提供了一个链接在加厚表面的双曲体积的界限,其减少的Krushkal-Jones多项式的系数。沿着这条路,我们证明了4-变量Krushkal多项式的某些系数表示了表面上约化Tait图的圈秩。
Dasbach and Lin proved a "volumish theorem" for alternating links. We prove the analogue for alternating link diagrams on surfaces, which provides bounds on the hyperbolic volume of a link in a thickened surface in terms of coefficients of its reduced Krushkal-Jones polynomial. Along the way, we show that certain coefficients of the 4-variable Krushkal polynomial express the cycle rank of the reduced Tait graph on the surface.