Master Equations for Master Amplitudes

Abstract

The general lines of the derivation and the main properties of the master equations for the master amplitudes associated to a given Feynman graph are recalled. Some results for the 2-loop self-mass graph with 4 propagators are then presented.

11 pages, Latex, 1 encapsulated Postscript figure with epsfig, some references added; Talk presented at the Zeuthen Workshop on Elementary Particle Physics - Loops and Legs in Gauge Theories - Rheinsberg, 19-24 April 1998

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