The Pin(2)-monopole Floer spectral sequence conjecture for branched double covers

Let LS3L\subset S^3 be a link, let Σ(L)\Sigma(L) denote its branched double cover, and let Lˉ\bar{L} be the mirror of LL. Write BN~,3(Lˉ)\widetilde{\mathrm{BN}}^3_{*,*}(\bar{L}) for the relevant characteristic-two Bar-Natan homology and HS~(Σ(L))\widetilde{\mathit{HS}}_*(\Sigma(L)) for Pin(2)-monopole Floer homology. Pin(2)-monopole Floer spectral sequence conjecture. There exists a spectral sequence whose E2E^2-page is

BN~,3(Lˉ)\widetilde{\mathrm{BN}}^3_{*,*}(\bar{L})

which converges to

HS~(Σ(L)).\widetilde{\mathit{HS}}_*(\Sigma(L)).

After setting uu equal to QQ, this is a spectral sequence of F[Q]/Q3\mathbb{F}[Q]/Q^3-modules. The conjecture proposes the Pin(2) analogue of the involutive monopole Floer spectral sequence established in the paper; the supplied text does not state that it has been resolved.

Sources & referencesView supporting material

Primary source

Francesco Lin, “Khovanov homology in characteristic two and involutive monopole Floer homology”, arXiv:1610.08866 (2017).

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