### Ribbon Graphs and Mirror Symmetry

Zaslow, E *(Northwestern)*

Wednesday 13 April 2011, 16:30-17:30

Seminar Room 1, Newton Institute

#### Abstract

Beginning with a ribbon graph with some extra structure, I will define a dg category, the "constructible plumbing model," which serves as a stand-in for the Fukaya category of the Riemann surface associated to the ribbon graph. When the graph has a combinatorial version of a torus fibration with section, I will define a one-dimensional algebraic curve, and prove that the dg category of vector bundles on the curve is equivalent to the constructible plumbing model, a version of homological mirror symmetry in one-dimension. I will also discuss the higher-dimensional case.

This talk is based on joint work with Nicolo' Sibilla and David Treumann.

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