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hep-th2025
Causality of higher-spin interactions on the (A)dS lightcone, with application to the static patch
Jin Kozaki, Julian Lang, Yasha Neiman
We study Higher-Spin Gravity in 4-dimensional (Anti-)de Sitter space, at leading order in the interactions (cubic vertices), in the AdS lightcone formalism developed by Metsaev. Us…
gr-qc2025
Theories of the gravity+gauge type in de Sitter space
Julian Lang, Yasha Neiman
We study theories of the "General Relativity + Yang-Mills" type in 4d spacetime with cosmological constant, focusing on formulations where the basic variables are connections and c…