We calculate the collinear anomalous dimensions in massless four-loop QCD and N=4 supersymmetric Yang-Mills theory from the infrared poles of vertex form factors. We give very precise numerical approximations and a conjecture for the complete analytic results in both models we consider.
@article{arxiv.2102.09725,
title = {Four-loop collinear anomalous dimensions in QCD and $\mathcal{N} = 4$ super Yang-Mills},
author = {Bakul Agarwal and Andreas von Manteuffel and Erik Panzer and Robert M. Schabinger},
journal= {arXiv preprint arXiv:2102.09725},
year = {2021}
}