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arxiv: math/0601352 · v2 · submitted 2006-01-14 · 🧮 math.AG · hep-th

Flop invariance of the topological vertex

classification 🧮 math.AG hep-th
keywords calabi-yauthreefoldstopologicaltoricvertexanalysiscombinatorialfans
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We prove transformation formulae for generating functions of Gromov-Witten invariants on general toric Calabi-Yau threefolds under flops. Our proof is based on a combinatorial identity on the topological vertex and analysis of fans of toric Calabi-Yau threefolds.

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