BPS states of curves in Calabi--Yau 3--folds
classification
🧮 math.AG
hep-th
keywords
curvegeometrygopakumar-vafagromov-wittenlocalanalysiscalabi--yaucalabi-yau
read the original abstract
The Gopakumar-Vafa conjecture is defined and studied for the local geometry of a curve in a Calabi-Yau 3-fold. The integrality predicted in Gromov-Witten theory by the Gopakumar-Vafa BPS count is verified in a natural series of cases in this local geometry. The method involves Gromov-Witten computations, Mobius inversion, and a combinatorial analysis of the numbers of etale covers of a curve.
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