The general integral surgery formula conjecture

Suppose μ^=qμ+pλ\hat{\mu}=q\mu+p\lambda with q>0q>0, and suppose λ^=q0μ+p0λ\hat{\lambda}=q_0\mu+p_0\lambda is chosen as in the setup. For mZm\in\mathbb{Z} such that λ^mμ^\hat{\lambda}-m\hat{\mu} is not the Seifert longitude λ\lambda, let A(s)A(s) and B±(s)B^\pm(s) be the bent complexes and associated complexes defined before the conjecture, with maps π±\pi^\pm induced by the maps on their summands. The general integral surgery formula conjecture. There exists an isomorphism

Ξm:sZH(B+(s))sZH(B(s+mqq0))\Xi_m:\bigoplus_{s\in\mathbb{Z}}H(B^+(s))\xrightarrow{\cong}\bigoplus_{s\in\mathbb{Z}}H(B^-(s+mq-q_0))

such that I(Y^λ^mμ^)I^\sharp(-\widehat{Y}_{\hat{\lambda}-m\hat{\mu}}) is isomorphic to the homology of the mapping cone of

π+Ξmπ+:sZH(A(s))sZH(B(s)).\pi^-+\Xi_m\circ\pi^+:\bigoplus_{s\in\mathbb{Z}}H(A(s))\longrightarrow\bigoplus_{s\in\mathbb{Z}}H(B^-(s)).

This is the general integral surgery formula in the stated setup. The source provides no resolution status, so the conjecture is recorded as open.

Sources & referencesView supporting material

Primary source

Zhenkun Li and Fan Ye, “Knot surgery formulae for instanton Floer homology I: the main theorem”, arXiv:2206.10077 (2024).

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