The resurgence conjecture for sections of the wall-crossing bundle

Let Γ\Gamma be a lattice, let T=Hom(Γ,C){\bf T}=\operatorname{Hom}(\Gamma,\mathbb{C}^\ast), and let F(σ)\mathcal{F}(\sigma) be the analytic fiber bundle over C{0}\mathbb{C}\setminus\{0\} constructed from analytic stability data σ\sigma. Fix γΓ\gamma\in\Gamma, and let χγ:TC\chi_\gamma:{\bf T}\to\mathbb{C}^\ast be the corresponding character. Let s(t)s(t) be a germ at t=0t=0 of an analytic section of F(σ)\mathcal{F}(\sigma).

Resurgence conjecture. In the canonical formal trivialization, the Taylor series of χγ(s(t))\chi_\gamma(s(t)) is resurgent. The same is true for the Taylor series of χγ(log(s(t)))\chi_\gamma(\log(s(t))).

This conjecture relates analytic stability data and resurgent series in the parameter tt; it predicts resurgence for observables obtained from analytic sections and their logarithms.

Sources & referencesView supporting material

Primary source

Maxim Kontsevich and Yan Soibelman, “Analyticity and resurgence in wall-crossing formulas”, arXiv:2005.10651 (2022).

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