20 citations · 29 across the 2 of their papers we have counts for
2 papers
hep-th2023★ 20 cited
Cutting the traintracks: Cauchy, Schubert and Calabi-Yau
Qu Cao, Song He, Yichao Tang
In this note we revisit the maximal-codimension residues, or leading singularities, of four-dimensional -loop traintrack integrals with massive legs, both in Feynman parameter s…
hep-th2022★ 9 cited
Covariant color-kinematics duality, Hopf algebras and permutohedra
Qu Cao, Jin Dong, Song He +1
Based on the covariant color-kinematics duality, we investigate combinatorial and algebraic structures underlying their Bern-Carrasco-Johansson (BCJ) numerators of tree-level ampli…