${\mathrm{AdS}}_3$ Recursion Relations, Double Copy and ${\mathrm{CFT}}_2$ Ward Identities

Grégoire Mathys, Guilherme L. Pimentel, Facundo Rost

We consider correlation functions of massless fields in three-dimensional Anti-de Sitter spacetime. Using embedding-space spinors akin to spinor helicity variables, we show that ma…