Twistor Coverings and Feynman Diagrams

Faizan Bhat, Rajesh Gopakumar, Pronobesh Maity +1

Recently, a worldsheet dual to free $\mathcal{N}=4$ Super Yang-Mills has been proposed in terms of twistor variables for ${\mathrm{AdS}}_5$, in parallel to that for the ${\mathrm{AdS}}_3$ dual…