Ribbon Graphs and Mirror Symmetry I

Details Ribbon Graphs and Mirror Symmetry I Ribbon Graphs and Mirror Symmetry I

2011-03-12

arxiv.org/abs/1103.2462v1

Mathematics

Algebraic Topology

28 pages

Scientific paper

Given a ribbon graph $\Gamma$ with some extra structure, we define, using constructible sheaves, a dg category $CPM(\Gamma)$ meant to model the Fukaya category of a Riemann surface in the cell of Teichm\"uller space described by $\Gamma.$ When $\Gamma$ is appropriately decorated and admits a combinatorial "torus fibration with section," we construct from $\Gamma$ a one-dimensional algebraic stack $\widetilde{X}_\Gamma$ with toric components. We prove that our model is equivalent to $Perf(\widetilde{X}_\Gamma)$, the dg category of perfect complexes on $\widetilde{X}_\Gamma$.

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