4-particle amplituhedron at 3-loop and its Mondrian diagrammatic implication

by Junjie Rao
Published 2018-06-01

Positivity, Grassmannian geometry and simplex-like structures of scattering amplitudes

by Junjie Rao
Published 2017-12-01

All-loop Mondrian diagrammatics and 4-particle amplituhedron

by Yang An, Yi Li, Zhinan Li, Junjie Rao
Published 2018-06-01

Derivation of Feynman rules for higher order poles using cross-ratio identities in CHY construction

by Kang Zhou, Junjie Rao, Bo Feng
Published 2017-06-01