PolyLogTools—polylogs for the masses

C Duhr, F Dulat - Journal of High Energy Physics, 2019 - Springer
We review the Hopf algebra of the multiple polylogarithms and the symbol map, as well as
the construction of single valued multiple polylogarithms and discuss an algorithm for finding …

Functions beyond multiple polylogarithms for precision collider physics

JL Bourjaily, J Broedel, E Chaubey, C Duhr… - arXiv preprint arXiv …, 2022 - arxiv.org
Feynman diagrams constitute one of the essential ingredients for making precision
predictions for collider experiments. Yet, while the simplest Feynman diagrams can be …

Six-Gluon amplitudes in planar = 4 super-Yang-Mills theory at six and seven loops

S Caron-Huot, LJ Dixon, F Dulat, M Von Hippel… - Journal of High Energy …, 2019 - Springer
A bstract We compute the six-particle maximally-helicity-violating (MHV) and next-to-MHV
(NMHV) amplitudes in planar maximally supersymmetric Yang-Mills theory through seven …

Cluster algebras for Feynman integrals

D Chicherin, JM Henn, G Papathanasiou - Physical review letters, 2021 - APS
We initiate the study of cluster algebras in Feynman integrals in dimensional regularization.
We provide evidence that four-point Feynman integrals with one off-shell leg are described …

The cosmic Galois group and extended Steinmann relations for planar = 4 SYM amplitudes

S Caron-Huot, LJ Dixon, F Dulat, M Von Hippel… - Journal of High Energy …, 2019 - Springer
A bstract We describe the minimal space of polylogarithmic functions that is required to
express the six-particle amplitude in planar\(\mathcal {N}\)= 4 super-Yang-Mills theory …

Genus drop in hyperelliptic Feynman integrals

R Marzucca, AJ McLeod, B Page, S Pögel, S Weinzierl - Physical Review D, 2024 - APS
The maximal cut of the nonplanar crossed box diagram with all massive internal propagators
was long ago shown to encode a hyperelliptic curve of genus 3 in momentum space …

Bootstrapping a stress-tensor form factor through eight loops

LJ Dixon, Ö Gürdoğan, AJ McLeod… - Journal of High Energy …, 2022 - Springer
A bstract We bootstrap the three-point form factor of the chiral stress-tensor multiplet in
planar\(\mathcal {N}\)= 4 supersymmetric Yang-Mills theory at six, seven, and eight loops …

Loop-by-loop differential equations for dual (elliptic) Feynman integrals

M Giroux, A Pokraka - Journal of High Energy Physics, 2023 - Springer
A bstract We present a loop-by-loop method for computing the differential equations of
Feynman integrals using the recently developed dual form formalism. We give explicit …

Constraints on sequential discontinuities from the geometry of on-shell spaces

HS Hannesdottir, AJ McLeod, MD Schwartz… - Journal of High Energy …, 2023 - Springer
A bstract We present several classes of constraints on the discontinuities of Feynman
integrals that go beyond the Steinmann relations. These constraints follow from a geometric …

Embedding Feynman integral (Calabi-Yau) geometries in weighted projective space

JL Bourjaily, AJ McLeod, C Vergu, M Volk… - Journal of High Energy …, 2020 - Springer
A bstract It has recently been demonstrated that Feynman integrals relevant to a wide range
of perturbative quantum field theories involve periods of Calabi-Yau manifolds of arbitrarily …