Massless Propagators, $R(s)$ and Multiloop QCD

Abstract

This is a short review of recent developments in calculation of higher order corrections to various two-point correlators and related quantities in (massless) QCD.

Comments: Material presented at the final Workshop of Sonderforschungsbereich Transregio 9 "Advances in Computational Physics" of Deutsche Forschungsgemeinschaft (DFG), 15-19 Sep 2014, Durbach, Germany, to appear in the proceedings, 16 pages, 5 figures, 1 table