Dual little strings and their partition functions

  title={Dual little strings and their partition functions},
  author={Brice Bastian and Stefan Hohenegger and Amer Iqbal and S. J. Rey},
  journal={Physical Review D},
We study the topological string partition function of a class of toric, double elliptically fibered Calabi-Yau threefolds $X_{N,M}$ at a generic point in the K\"ahler moduli space. These manifolds engineer little string theories in five dimensions or lower and are dual to stacks of M5-branes probing a transverse orbifold singularity. Using the refined topological vertex formalism, we explicitly calculate a generic building block which allows to compute the topological string partition function… 

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