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hep-ph2023
Additional moments and x-space approximations of four-loop splitting functions in QCD
S. Moch, B. Ruijl, T. Ueda +2
We have extended our previous computations of the even-N moments of the flavour-singlet four-loop splitting functions to N = 12 for the pure-singlet quark case and N = 10 for all o…
hep-ph2023
The double fermionic contribution to the four-loop quark-to-gluon splitting function
G. Falcioni, F. Herzog, S. Moch +2
We have computed the first 30 even-N moments for the double fermionic (nf^2) part of the quark-to-gluon splitting function P_{gq} at the fourth order of perturbative QCD via the re…
math.AT2023
The -equivariant Euler characteristic of the moduli space of graphs
Michael Borinsky, Jos Vermaseren
We prove a formula for the -equivariant Euler characteristic of the moduli space of graphs . Moreover, we prove that the rational …