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Seminar of the Department of Theoretical Physics, Steklov Mathematical Institute of RAS
January 26, 2022 14:00, Moscow, online
 


U-duality covariant approach to string and M-theory

E. T. Musaev

Moscow Institute of Physics and Technology
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Abstract: M-theory on a $d$-torus is known to possess U-duality symmetry given by exceptional groups $E_d$ (for supergravity known as Cremmer-Julia symmetry). In the talk I will review the construction of exceptional field theory that regards U-duality as a particular case of symmetries of some underlying extended space. In particular, I will cover dimensional reductions of such theories, their relations with (maximal) gauged supergravities and embedding tensor formalism, as well as applications to description of exotic branes, non-geometry and deformations of sigma-model backgrounds.
 
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