Selberg Integrals, Multiple Zeta Values and Feynman Diagrams

Details Selberg Integrals, Multiple Zeta Values and Feynman Diagrams Selberg Integrals, Multiple Zeta Values and Feynman Diagrams

2002-06-05

arxiv.org/abs/math/0206030v1

Mathematics

Quantum Algebra

10 pages

Scientific paper

We prove that there is an isomorphism between the Hopf Algebra of Feynman diagrams and the Hopf algebra corresponding to the Homogenous Multiple Zeta Value ring H in C<> . In other words, Feynman diagrams evaluate to Multiple Zeta Values in all cases. This proves a recent conjecture of Connes-Kreimer, and others including Broadhurst and Kontsevich. The key step of our theorem is to present the Selberg integral as discussed in Terasoma [22] as a Functional from the Rooted Trees Operad to the Hopf algebra of Multiple Zeta Values. This is a new construction which provides illumination to the relations between zeta values, associators, Feynman diagrams and moduli spaces. An immediate implication of our Main Theorem is that by applying Terasoma's result and using the construction of our Selberg integral-rooted trees functional, we prove that the Hermitian matrix integral as discussed in Mulase [18] evaluates to a Multiple Zeta Value in all 3 cases: Asymptotically, the Limit as N goes to infinity, and in general. Furthermore, this construction provides for a positive resolution to Goncharov's conjecture (see [7] pg. 30). The Selberg integral functional can be extended to map the special values to depth m multiple polylogarithms on X.

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