Aspects of Manifest Gauge Invariance

Abstract

The essential elements of manifestly gauge invariant exact renormalization groups are recalled. The pros and cons of the formalism are discussed and it is argued that now is the right time to try to utilize the formalism to provide new insights into the strong coupling domain of QCD.

Comments: Proceedings of "The many faces of QCD", 1-5 Nov 2010, Ghent, Belgium; 10 pages, 1 figure