Abstract

We consider aspects of Chern–Simons theory on L ( p , q ) lens spaces and its relation with matrix models and topological string theory on Calabi–Yau threefolds, searching for possible new large N dualities via geometric transition for non- S U ( 2 ) cyclic quotients of the conifold. To this aim we find, on one hand, a useful matrix integral representation of the S U ( N ) C S partition function in a generic flat background for the whole L ( p , q ) family and provide a solution for its large N dynamics; on the other hand, we perform in full detail the construction of a family of would-be dual closed string backgrounds through conifold geometric transition from T ∗ L ( p , q ) . We can then explicitly prove the claim in 5 that Gopakumar–Vafa duality in a fixed vacuum fails in the case q > 1 , and briefly discuss how it could be restored in a non-perturbative setting.

Description

Chern–Simons theory on L(p,q) lens spaces and Gopakumar–Vafa duality

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