Homological mirror symmetry for compactified symmetric squares of punctured spheres

Let Yn,k\overline{\mathcal{Y}}_{n,k} and Zn,k\overline{\mathcal{Z}}_{n,k} be the compactifications of Yn,k\mathcal{Y}_{n,k} and Zn,k\mathcal{Z}_{n,k} described in the source, let Xn,k=Yn,k×Ak\overline{\mathcal{X}}_{n,k}=\overline{\mathcal{Y}}_{n,k}\times\mathbb{A}^k, and let Bn,k\overline{\mathcal{B}}_{n,k} be the category of L\mathbb{L}-graded matrix factorizations of wn,k\mathbf{w}_{n,k} on Xn,k\overline{\mathcal{X}}_{n,k}. Equip Vn,kV_{n,k} with one stop Λ\Lambda corresponding to a point on the component marked by xkx_k. Compactified homological mirror symmetry conjecture. There should exist quasi-equivalences

W(Vn,k,Λ,η0)DbCoh(Zn,k),\mathcal{W}(V_{n,k},\Lambda,\eta_0)\simeq D^b\operatorname{Coh}(\overline{\mathcal{Z}}_{n,k}),

and

W(Vn,k,Λ)Bn,k.\mathcal{W}(V_{n,k},\Lambda)\simeq\overline{\mathcal{B}}_{n,k}.

This is the compactified and partially wrapped extension of the preceding mirror-symmetry conjecture, incorporating a stop on the symplectic side and compactifications on the algebraic side. The source does not provide evidence that these equivalences have been proved.

Sources & referencesView supporting material

Primary source

Yanki Lekili and Alexander Polishchuk, “Homological mirror symmetry for the symmetric squares of punctured spheres”, arXiv:2105.03936 (2021).

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