The characteristic-zero comparison conjecture for symplectic annular Khovanov homology

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Let LL be an annular link, let k∈Zk\in\mathbb Z be its winding grading, and let F\mathbb F be a field of characteristic zero. Denote by AKh⁡sympi(L;k;F)\operatorname{AKh}_{symp}^i(L;k;\mathbb F) the symplectic annular Khovanov homology in absolute homological grading ii, and by AKh⁡j,q(L;k;F)\operatorname{AKh}^{j,q}(L;k;\mathbb F) the combinatorial annular Khovanov homology in homological grading jj, quantum grading qq, and winding grading kk. The characteristic-zero comparison conjecture. There is an isomorphism

AKh⁡sympi(L;k;F)≃⨁j−q=iAKh⁡j,q(L;k;F).\operatorname{AKh}_{symp}^i(L;k;\mathbb F)\simeq\bigoplus_{j-q=i}\operatorname{AKh}^{j,q}(L;k;\mathbb F).

If AKh⁡symp(L)\operatorname{AKh}_{symp}(L) is equipped with a relative quantum equivariant grading from a non-commutative vector field, this isomorphism may be upgraded to an isomorphism of relatively trigraded groups. The claim is presented as an expected relationship, analogous to the non-annular comparison of Abouzaid and Smith, and the stronger trigraded refinement depends on the additional equivariant grading.

References

Primary source

Kristen Hendricks, Cheuk Yu Mak and Sriram Raghunath, “Symplectic annular Khovanov homology and fixed point localizations”, arXiv:2408.06453 (2026).

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