Hypergeometric series representations of Feynman integrals by GKZ hypergeometric systems

Klausen, RP

Klausen, RP (corresponding author), Humboldt Univ, Inst Phys, Newtonstr 15, D-12489 Berlin, Germany.; Klausen, RP (corresponding author), Max Planck Inst Gravitat Phys, Muhlenberg 1, D-14476 Potsdam, Germany.

JOURNAL OF HIGH ENERGY PHYSICS, 2020; (4):

Abstract

We show that almost all Feynman integrals as well as their coefficients in a Laurent series in dimensional regularization can be written in terms of H......

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