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Higher Spin Gravity and 2d CFTs

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Mathematics and Applications of Branes in String and M-theory

Higher spin gravity in three dimensions is holographically dual to a two-dimensional CFT with extended conformal symmetry, known as a W-algebra. This raises the possibility of tackling difficult questions in holography or quantum gravity by exploiting the W-algebra to do exact computations at all values of the coupling. I will review the status of various higher spin dualities, and for the case of AdS_3, describe the detailed matching of the spectrum and the CFT interpretation of higher spin black holes.

This talk is part of the Isaac Newton Institute Seminar Series series.

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