Fri, 31 May 2024
14:30
C4

Subleading structure of asymptotically-flat spacetimes

Marc Geiller
(ENS Lyon)
Abstract

In this talk I will explain how a dictionary between the Bondi-Sachs and the Newman-Penrose formalism can be used to organize the subleading data appearing in the metric for asymptotically-flat spacetimes. In particular, this can be used to show that the higher Bondi aspects can be traded for higher spin charges, and that the latter form a w_infinity algebra.

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