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gr-qc2023
Self-dual gravity in de Sitter space: lightcone ansatz and static-patch scattering
Yasha Neiman
Using Krasnov's formulation of General Relativity (GR), we develop a lightcone ansatz for self-dual gravity (along with linearized anti-self-dual perturbations) in the Poincare pat…
hep-th2023★ 18 cited
Quartic locality of higher-spin gravity in de Sitter and Euclidean anti-de Sitter space
Yasha Neiman
We consider higher-spin gravity in (A)dS_4, defined as the holographic dual of a free O(N) or Sp(N) vector model. At the quartic level, this theory has been judged non-local at dis…