Notes on beta-deformations of the pure spinor superstring in AdS(5) x S-5
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We study the properties of the vertex operator for the beta-deformation of the superstring in AdS(5) x S-5 in the pure spinor formalism. We discuss the action of supersymmetry on the infinitesimal beta-deformation, the application of the homological perturbation theory, and the relation between the worldsheet description and the spacetime supergravity description. (C) 2011 Elsevier B.V. All rights reserved.