The general integral surgery formula conjecture

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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 m∈Zm\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:⨁s∈ZH(B+(s))→≅⨁s∈ZH(B−(s+mq−q0))\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−+Ξm∘π+:⨁s∈ZH(A(s))⟶⨁s∈ZH(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.

References

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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