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arXiv · 0710.5901

Quantum Cohomology and Crepant Resolutions: A Conjecture

Tom Coates·Yongbin Ruan
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Abstract

We give an expository account of a conjecture, developed by Coates--Corti--Iritani--Tseng and Ruan, which relates the quantum cohomology of a Gorenstein orbifold X to the quantum cohomology of a crepant resolution Y of X. We explore some consequences of this conjecture, showing that it implies versions of both the Cohomological Crepant Resolution Conjecture and of the Crepant Resolution Conjectures of Ruan and Bryan--Graber. We also give a "quantized" version of the conjecture, which determines higher-genus Gromov--Witten invariants of X from those of Y.

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Tom Coates, Yongbin Ruan. 2008-04-16. Quantum Cohomology and Crepant Resolutions: A Conjecture. https://arxiv.org/abs/0710.5901

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