Physics

The AdS/CFT correspondence provides a non-perturbative formulation of quantum gravity, and in particular it provides a precise definition of a gravitational path integral. Applying the duality to solvable CFTs could give insight to the nature of...

Matrix models yield a theory of random two dimensional surfaces. They support a 1/N expansion dominated by planar graphs (corresponding to planar surfaces) and undergo a phase transition to a continuum theory. In higher dimensions matrix...

I will discuss recent progress in understanding loop-level scattering amplitudes in planar N=4 SYM. Compared with previous efforts aimed at exploiting integrability of this gauge theory, our approach differs mainly in its focus on canonical infrared...