Abstract
We consider a mirror dual of the Berkovits-Vafa A-model for the BPS superstring on AdS5 × S5
in the form of a deformed superconifold. Via geometric transition, the theory has a dual description
as the hermitian gaussian one-matrix model.
We show that the A-model amplitudes of AdS2 × S4 branes, breaking
the superconformal symmetry as U(2,2|4) → OSp(4*|4), are evaluated in terms of observables
in the matrix model. As such, upon the usual identification gYM2 = gs, these can be expanded as
Drukker-Gross circular 1/2-BPS Wilson loops in the perturbative regime of 
= 4 SYM.
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