Web parametrization conjecture for positive tropical PGL3_3 points

Let S^\hat{S} be a compact oriented surface with marked boundary points and punctures. Let PPGL3,S^+(Zt)\mathcal{P}_{{\rm PGL}_3,\hat{S}}^+(\mathbb{Z}^t) denote the integer tropical points satisfying the potential condition on every boundary interval and having dominant-coweight monodromy around each puncture, and let WS^X\mathscr{W}_{\hat{S}}^{\mathcal{X}} be the set of reduced X\mathcal{X}-webs on S^\hat{S}. Web parametrization conjecture. There is a natural bijection

PPGL3,S^+(Zt)=WS^X.\mathcal{P}_{{\rm PGL}_3,\hat{S}}^+(\mathbb{Z}^t)\stackrel{\sim}{=}\mathscr{W}_{\hat{S}}^{\mathcal{X}}.

This would identify positive integral tropical data for the PGL3_3 moduli space with reduced X\mathcal{X}-webs, providing a combinatorial model for the tropical points. The source gives no evidence of a resolution.

Sources & referencesView supporting material

Primary source

Linhui Shen, Zhe Sun and Daping Weng, “Intersections of Dual SL_3-Webs”, arXiv:2311.15466 (2023).

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