Showing hep-thShow all
2 papers · 1 filter
hep-th2026
The Stieltjes Bootstrap for Feynman Integrals
Hadrien Brochet, Maximilian Haensch, Johannes Henn +4
We prove that scalar Feynman integrals are Stieltjes functions in each kinematic variable , as well as in the particle masses, for arbitrary loop order, arbitrary nu…
hep-th2026
Positivity and Cluster Structures in Landau Analysis
Benjamin Hollering, Elia Mazzucchelli, Matteo Parisi +1
Landau analysis in momentum twistor space can be formulated as the study of varieties of lines in three-dimensional projective space, together with their projections and discrimina…