The quasimap–Gromov–Witten S-operator comparison conjecture

Let (W,G,θ)(W,{\bf G},\theta) be a GIT presentation and let (θ,ε)(\theta,\varepsilon) be arbitrary, including all asymptotic cases. Write \mathdsStθ,ε\mathds{S}_{\bf t}^{\theta,\varepsilon} and Pθ,εP^{\theta,\varepsilon} for the quasimap SS-operator and PP-series, and let κ(t)\kappa({\bf t}) be the corresponding divisor-class shift. Define

τ(t)=κ(t)+β0qβiγi ⁣γi,\mathbbm1 ⁣0,2,βθ,ε.\tau({\bf t})=\kappa({\bf t})+\sum_{\beta\ne0}q^\beta\sum_i\gamma_i\left\langle\!\left\langle\gamma^i,\mathbbm{1}\right\rangle\!\right\rangle_{0,2,\beta}^{\theta,\varepsilon}.

Quasimap–Gromov–Witten comparison conjecture. One has

\mathdsStθ,ε(\mathbbm1)=\mathdsSτ(t)(,1)(\mathbbm1),\mathds{S}_{\bf t}^{\theta,\varepsilon}(\mathbbm{1})=\mathds{S}_{\tau({\bf t})}^{(\infty,1)}(\mathbbm{1}),

and, for t=itiγ~i{\bf t}=\sum_i t_i\tilde{\gamma}_i, there are unique

P(,1),θ,ε(t,z)=\mathbbm1+O(q)HT,loc(W/ ⁣/G)[z][[q,tj]],P^{(\infty,1),\theta,\varepsilon}({\bf t},z)=\mathbbm{1}+O(q)\in H^*_{{\bf T},\mathrm{loc}}(W/\!/{\bf G})[z][[q,t_j]], τ(,1),θ,ε(t)=κ(t)+O(q)HT,loc(W/ ⁣/G)[[q,tj]],\tau^{(\infty,1),\theta,\varepsilon}({\bf t})=\kappa({\bf t})+O(q)\in H^*_{{\bf T},\mathrm{loc}}(W/\!/{\bf G})[[q,t_j]],

so that

\mathdsStθ,ε(z)(Pθ,ε(t,z))=\mathdsSτ(,1),θ,ε(t)(,1)(z)(P(,1),θ,ε(τ(,1),θ,ε(t),z)).\mathds{S}_{\bf t}^{\theta,\varepsilon}(z)\bigl(P^{\theta,\varepsilon}({\bf t},z)\bigr)=\mathds{S}_{\tau^{(\infty,1),\theta,\varepsilon}({\bf t})}^{(\infty,1)}(z)\bigl(P^{(\infty,1),\theta,\varepsilon}(\tau^{(\infty,1),\theta,\varepsilon}({\bf t}),z)\bigr).

This predicts a comparison between quasimap theories for arbitrary stability conditions and the stable-map Gromov–Witten theory. The supplied text gives no resolution status.

Sources & referencesView supporting material

Primary source

Ionut Ciocan-Fontanine and Bumsig Kim, “Big I-functions”, arXiv:1401.7417 (2016).

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