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math-ph2009★ 3 cited
Feynman Diagrams and Lax Pair Equations
Gabriel Baditoiu, Steven Rosenberg
We find a Lax pair equation corresponding to the Connes-Kreimer Birkhoff factorization of the character group of a Hopf algebra. This flow preserves the locality of counterterms. I…
math-ph2006
Feynman Diagrams and Lax Pair Equations
Gabriel Baditoiu, Steven Rosenberg
We find a Lax pair equation corresponding to the Connes-Kreimer Birkhoff factorization of the character group of the Hopf algebra of Feynman diagrams. In particular, we obtain a fl…