Sum rules for trace anomalies and irreversibility of the renormalization-group flow
arXiv:hep-th/0205039
Abstract
I review my explanation of the irreversibility of the renormalization-group flow in even dimensions greater than two and address new investigations and tests.
8 pages. Talk given at the V International Conference Renormalization Group 2002, Strba, Slovakia, March 10-16 2002