$L_{\infty }$ algebras for extended geometry

Abstract

Extended geometry provides a unified framework for double geometry, exceptional geometry, etc., i.e., for the geometrisations of the string theory and M-theory dualities. In this talk, we will explain the structure of gauge transformations (generalised diffeomorphisms) in these models. They are generically infinitely reducible, and arise as derived brackets from an underlying Borcherds superalgebra or tensor hierarchy algebra. The infinite reducibility gives rise to an $L_{\infty }$ structure, the brackets of which have universal expressions in terms of the underlying superalgebra.

arXiv comment8 pp., talk presented at Group32, Prague, July 2018

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Cited by in corpus (2)

• Towards an extended/higher correspondence -- Generalised geometry, bundle gerbes and global Double Field Theory
• Unfolding $E_{11}$