The volume conjecture for knots

Let KS3K\subset S^3 be a knot, and let K\|K\| denote its simplicial volume, known here to be the sum of the hyperbolic volumes of the hyperbolic pieces in the knot complement. Let JN(K;q)J_N(K;q) be the colored Jones polynomial associated with the NN-dimensional irreducible representation of sl(2;C)\mathfrak{sl}(2;\mathbb{C}). The volume conjecture. For every knot KS3K\subset S^3,

limNlogJN(K;e2π1/N)N=K2π.\lim_{N\to\infty}\frac{\log\left|J_N(K;e^{2\pi\sqrt{-1}/N})\right|}{N}=\frac{\|K\|}{2\pi}.

The conjecture extends Kashaev's hyperbolic-link formulation to arbitrary knots. The paper records proofs for torus knots, the figure-eight knot, and several knots with at most seven crossings, but not the general case.

Equivalent formulations 2

Other statements of this same problem, merged from separate entries. Each is equivalent to the statement above — proving any one settles them all.

  1. The volume conjecture for knots

    Let KK be a knot. The NN-colored Jones invariant of KK is denoted by JN(K)J_N(K), and let Vol(S3K)\mathrm{Vol}(\mathbb{S}^3-K) denote the simplicial volume of its complement.

    Volume conjecture. For any knot KK,

    limN2πNlogJN(K)(eπi2N)=Vol(S3K).\lim_{N\to \infty}\frac{2\pi}{N}\log\left|J_N(K)\left(e^{\frac{\pi i}{2N}}\right)\right|=\mathrm{Vol}(\mathbb{S}^3-K).

    This conjecture proposes a relation between colored Jones invariants at roots of unity and the simplicial volume of a knot complement; its status is not resolved in the supplied source.

    source: Roland van der Veen, “The volume conjecture for augmented knotted trivalent graphs”, arXiv:0805.0094 (2009).

  2. The volume conjecture for knots

    Let KK) be a knot. Write JN(K)J_N(K) for its normalized NN-colored Jones polynomial, and let $

    \mathrm{Vol}(K)=v_3\,\|\mathbb{S}^3-K\|$

    where v3v_3 is the volume of the regular ideal hyperbolic tetrahedron and S3K\|\mathbb{S}^3-K\| is the simplicial volume of the complement.

    Volume conjecture. For every knot KK,

    limN2πNlogJN(K)(e2πiN)=Vol(K).\lim_{N\to\infty}\frac{2\pi}{N}\log\left|J_N(K)\left(e^{\frac{2\pi i}{N}}\right)\right|=\mathrm{Vol}(K).

    The paper proves this conjecture for the Whitehead link and related Whitehead chains in the cases described in its main theorem, while also exhibiting non-splittable links for which the original formulation fails.

    source: Roland van der Veen, “Proof of the volume conjecture for Whitehead chains”, arXiv:math/0611181 (2007).

Sources & referencesView supporting material

Primary source

Hitoshi Murakami, “The colored Jones polynomial of the figure-eight knot and an SL(2;R)-representation”, arXiv:2312.00350 (2023).

Progress summary

Never refreshed

Nothing recorded yet. Refresh searches the literature and the public web for attempts on this problem, and writes the first summary here.

Solutions 0

No solutions have been posted yet.