The GM series surgery conjecture for links

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Let L⊂S3L\subset S^3 have components L1,…,LlL_1,\ldots,L_l, let Sp1,…,pl3(L)S^3_{p_1,\ldots,p_l}(L) be the result of (p1,…,pl)(p_1,\ldots,p_l)-surgery, and let B\mathrm{B} be its linking matrix, with diagonal entries pip_i and off-diagonal entries lk(i,j)lk(i,j). Define LBb\mathcal{L}^{b}_{\mathrm{B}} by

LBb:xu↦{q−(u,B−1u)u∈b+BZl,0otherwise.\mathcal{L}^{b}_{\mathrm{B}}:x^u\mapsto\begin{cases}q^{-(u,\mathrm{B}^{-1}u)}&u\in b+\mathrm{B}\mathbb{Z}^l,\\0&\text{otherwise}. \end{cases}

The link surgery conjecture. Whenever the right-hand side makes sense, for some ϵ∈{±1}\epsilon\in\{\pm1\} and d∈Qd\in\mathbb{Q},

Z^b(Sp1,…,pl3(L))=ϵqdLBb[∏i=1l(xi12−xi−12)FL(x1,…,xl,q)].\hat Z_b(S^3_{p_1,\ldots,p_l}(L))=\epsilon q^d\mathcal{L}^{b}_{\mathrm{B}}\left[\prod_{i=1}^l(x_i^{\frac12}-x_i^{-\frac12})F_L(x_1,\ldots,x_l,q)\right].

This is the link extension of the surgery formula and is presented as a conjectural, experimentally supported identity.

References

Primary source

Sunghyuk Park, “Large color R-matrix for knot complements and strange identities”, arXiv:2004.02087 (2020).

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