The instanton immersed-curve invariants conjecture for pointed 2-tangles

Let TT be a pointed 2-tangle and let P(D3,T)P^*\cong\partial(D^3,T) be the pillowcase. Write I(T)I(T), I(T)I^\natural(T) and I(T)I^\sharp(T) for the proposed instanton-theoretic immersed curve invariants. Instanton immersed-curve invariants conjecture. There exists an assignment

(D3,T)I(T),I(T),I(T)P(D3,T)(D^3,T)\longmapsto I(T),I^\natural(T),I^\sharp(T)\looparrowright P^*\cong\partial(D^3,T)

which, for every decomposition (S3,L)=(D3,T)(S2,4)(D3,T)(S^3,\mathcal{L})=(D^3,T)\cup_{(S^2,4)}(D^3,T'), satisfies

I^(L)=HF(I(T),I(T)),\widehat{I}(\mathcal{L})=\mathit{HF}(I(T),I(T')), I(L)=HF(I(T),I(T)),I^\natural(\mathcal{L})=\mathit{HF}(I(T),I^\natural(T')), I(L)=HF(I(T),I(T)).I^\sharp(\mathcal{L})=\mathit{HF}(I(T),I^\sharp(T')).

These conjectural curves would recover the three indicated instanton homologies by wrapped Lagrangian Floer homology, paralleling existing Heegaard Floer and Khovanov curve invariants. Their construction and gluing formulas remain open.

Sources & referencesView supporting material

Primary source

Guillem Cazassus, Christopher M. Herald, Paul Kirk and Artem Kotelskiy, “The correspondence induced on the pillowcase by the earring tangle”, arXiv:2010.04320 (2022).

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