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arXiv 2101.08243math.RTmath.COmath.GT
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$\mathfrak{gl}_N$纽结不变量的分圆展开

Cyclotomic expansions for $\mathfrak{gl}_N$ knot invariants via interpolation Macdonald polynomials

Anna Beliakova, Eugene Gorsky

摘要:

本文利用Macdonald插值多项式构造了量子$\mathfrak{gl}_N$中心的分圆完备化的一个新基。然后我们利用Okounkov的一个结果提供了一个关于量子Killing形式(或Hopf配对)的对偶基。其主要应用包括:1)$\mathfrak{gl}_N$ Reshetikhin-Turaev环不变量和泛$\mathfrak{gl}_N$纽结不变量的分圆展开; 2)利用泛Kirby色显式构造积分同调3-球面的统一$\mathfrak{gl}_N$不变量.这些结果推广了Habiro关于$\mathfrak{sl}_2$的结果.此外,我们还给出了一个简单的证明,证明了任何均匀框架链环的泛$\mathfrak{gl}_N$不变量和任何$0$ -框架代数分裂链环的泛$\mathfrak{sl}_N$不变量都是$Γ$ -不变量,其中$Γ=Y/2Y$的根格是$Y$ .

英文摘要:

In this paper we construct a new basis for the cyclotomic completion of the center of the quantum $\mathfrak{gl}_N$ in terms of the interpolation Macdonald polynomials. Then we use a result of Okounkov to provide a dual basis with respect to the quantum Killing form (or Hopf pairing). The main applications are: 1) cyclotomic expansions for the $\mathfrak{gl}_N$ Reshetikhin--Turaev link invariants and the universal $\mathfrak{gl}_N$ knot invariant; 2) an explicit construction of the unified $\mathfrak{gl}_N$ invariants for integral homology 3-spheres using universal Kirby colors. These results generalize those of Habiro for $\mathfrak{sl}_2$. In addition, we give a simple proof of the fact that the universal $\mathfrak{gl}_N$ invariant of any evenly framed link and the universal $\mathfrak{sl}_N$ invariant of any $0$-framed algebraically split link are $Γ$-invariant, where $Γ=Y/2Y$ with the root lattice $Y$.

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