Preprint 2014-01
Renormalization: an advanced overview
Razvan Gurau, Vincent Rivasseau and Alessandro Sfondrini
Preprint series: Institut für Mathematik, Humboldt-Universität zu Berlin (ISSN 0863-0976), 2014-01
MSC 2000:
Abstract: We present several approaches to renormalization in QFT: the multi-scale
analysis in perturbative renormalization, the functional methods a la Wetterich
equation, and the loop-vertex expansion in non-perturbative renormalization.
While each of these is quite well-established, they go beyond
standard QFT textbook material, and may be little-known to specialists
of each other approach. This review is aimed at bridging this gap.
126 pp.