Orientifold and Integrability: N=4 Super-Yang-Mills on RP 4
The study investigates $\mathcal{N}=4$ SYM on $\mathbb{RP}^4$ using integrability, holography, and localization. The key finding is that combining the geometry of $\mathbb{RP}^4$ with charge conjugation preserves integrability. This links gauge theory results to overlaps in integrable spin chains and provides a holographic dual to an orientifold plane in string theory.