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Aspects of three-dimensional higher-spin gravity

Date: Thursday, September 21, 2017 16:00 - 18:00
Speaker: Stefan Fredenhagen (University of Vienna)
Location: Big Seminar room Ground floor / Office Bldg West (I21.EG.101)
Series: Formal Sciences Seminar
Host: Robert Seiringer
Lab building west seminar room

Abstract:

Higher-spin gauge theories provide interesting generalisations of gravity by gauge fields of spins higher than two. Via holography they correspond to conformal field theories with conserved higher-spin charges, and there are indications that they are related to string theory in the tensionless limit. In this talk I give an introduction to the formulation of higher-spin gauge theories in three space-time dimensions, and I discuss their asymptotic symmetries which lie at the heart of the higher-spin AdS_3/CFT_2 correspondence.
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