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### 16.03.2017 (Thursday)

#### Symmetry and String theory

Regular Seminar Menika Sharma (Harish-Chandra)

 at: 14:00 QMWroom G.O. Jones 610 abstract: String theory in the tensionless limit is expected to have a large gauge symmetry. By recasting string theory on the AdS background as a generalization of Vasiliev's theory of massless higher-spin fields, it has become possible to understand the nature of this symmetry. In this talk, I will first give an overview of three-dimensional Vasiliev theory and its dual CFT. I will then discuss the current understanding of the symmetry algebra of string theory as well as some open problems related to it.