Wave-Function renormalization and the Hopf algebra of Connes and Kreimer
Mathematical Physics
2009-11-07 v1 math.MP
Abstract
In this talk, we show how the Connes-Kreimer Hopf algebra morphism can be extended when taking into account the wave-function renormalization. This leads us to a semi-direct product of invertible power series by formal diffeomorphisms.
Keywords
Cite
@article{arxiv.math-ph/0103020,
title = {Wave-Function renormalization and the Hopf algebra of Connes and Kreimer},
author = {Florian Girelli and Thomas Krajewski and Pierre Martinetti},
journal= {arXiv preprint arXiv:math-ph/0103020},
year = {2009}
}
Comments
5 pages, no figure, talk presented in the conference "Brane New World and Noncommutative Geometry", Torino, Villa Gualino,(Italy) October