Asymptotic Behavior of Colored Jones polynomial and Turaev-Viro Invariant of figure eight knot

Ka Ho Wong; Thomas Kwok-Keung Au

doi:10.2140/agt.2022.22.1

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arXiv · 1711.11290

Asymptotic Behavior of Colored Jones polynomial and Turaev-Viro Invariant of figure eight knot

Ka Ho Wong·Thomas Kwok-Keung Au

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Abstract

In this paper we investigate the asymptotic behavior of the colored Jones polynomials and the Turaev-Viro invariants for the figure eight knot. More precisely, we consider the $M$-th colored Jones polynomials evaluated at $(N+1/2)$-th root of unity with a fixed limiting ratio, $s$, of $M$ and $(N+1/2)$. We find out the asymptotic expansion formula (AEF) of the colored Jones polynomials of the figure eight knot with $s$ close to $1$. Nonetheless, we show that the exponential growth rate of the colored Jones polynomials of the figure eight knot with $s$ close to $1/2$ is strictly less than those with $s$ close to $1$. It is known that the Turaev Viro invariant of the figure eight knot can be expressed in terms of a sum of its colored Jones polynomials. Our results show that this sum is asymptotically equal to the sum of the terms with $s$ close to 1. As an application of the asymptotic behavior of the colored Jones polynomials, we obtain the asymptotic expansion formula for the Turaev-Viro invariants of the figure eight knot. Finally, we suggest a possible generalization of our approach so as to relate the AEF for the colored Jones polynomials and the AEF for the Turaev-Viro invariants for general hyperbolic knots.

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BibTeX RIS

Ka Ho Wong, Thomas Kwok-Keung Au. 2020-05-25. Asymptotic Behavior of Colored Jones polynomial and Turaev-Viro Invariant of figure eight knot. https://doi.org/10.2140/agt.2022.22.1

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