Enumerative geometry of surfaces and topological strings

Abstract

This survey covers recent developments on the geometry and physics of Looijenga pairs, namely pairs $(X,D)$ with $X$ a complex algebraic surface and $D$ a singular anticanonical divisor in it. I will describe a surprising web of correspondences linking together several a priori distant classes of enumerative invariants associated to $(X,D)$, including the log Gromov--Witten invariants of the pair, the Gromov--Witten invariants of an associated higher dimensional Calabi--Yau variety, the open Gromov--Witten invariants of certain special Lagrangians in toric Calabi--Yau threefolds, the Donaldson--Thomas theory of a class of symmetric quivers, and certain open and closed BPS-type invariants. I will also discuss how these correspondences can be effectively used to provide a complete closed-form solution to the calculation of all these invariants.

Solicited review prepared for submission to IJMPA, surveying the content of arXiv:1908.04371, arXiv:2011.08830, arXiv:2012.10353 and arXiv:2201.01645 but with a presentation slightly more inclined towards a physics readership. 51 pages, 13 figures

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• Remodeling the B-model
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• Open orbifold Gromov-Witten invariants of [C^3/Z_n]: localization and mirror symmetry
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