A bstract We determine tree level, all-order celestial operator product expansions (OPEs) of
gluons and gravitons in the maximally helicity violating (MHV) sector. We start by obtaining …

A bstract In this paper, we first study the consequence of spacetime translations and Lorentz
transformations on Celestial CFT OPEs. Working with the light transforms of the operators …

A bstract We study scattering amplitudes in the shadow conformal primary basis, which
satisfies the same defining properties as the original conformal primary basis and has many …

A bstract We start by constructing a conformally covariant improvement of the celestial light
transform which keeps track of the mixing between incoming and outgoing states under finite …

The general form of a 2D conformal field theory (CFT) correlator on a Euclidean Riemann
surface, Lorentzian plane or Lorentzian cylinder is well known. This paper describes the …

We show how to formulate celestial twistor amplitudes in Yang-Mills (YM) and gravity. This is
motivated by a refined holographic correspondence between the twistor transform and the …

A bstract Building on results in arXiv: 2203.04255, we compute the correlator of four gluon
light-ray operators in celestial CFT. We find that it is described by Fox H-functions and …

Marginal operators in a $ d $-dimensional conformal field theory (CFT), those with conformal
dimension $\Delta= d $, give us information about the space of related theories. This can be …

We revisit the extrapolate dictionary for massless scattering in flat spacetime and identify a
soft contribution that is typically dropped from the saddle point approximation. We show how …

Four-point gluon and graviton correlators in celestial holography are famously non-analytic,
having distributional support. In this work, we propose an alternative graviton correlator that …