A combinatoric shortcut to evaluate CHY-forms

Wang, TH; Chen, G; Cheung, YKE; Xu, F

Chen, G (reprint author), Zhejiang Normal Univ, Dept Phys, Jinhua, Zhejiang, Peoples R China.; Chen, G (reprint author), Uppsala Univ, Dept Phys & Astron, Uppsala, Sweden.

JOURNAL OF HIGH ENERGY PHYSICS, 2017; (6):

Abstract

In our recent work, we proposed a differential operator for the evaluation of the multi-dimensional residues on isolated (zero-dimensional) poles. In ......

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