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math.CO2025
Graphical Scattering Equations
Barbara Betti, Viktoriia Borovik, Bella Finkel +2
The CHY scattering equations on the moduli space play a prominent role at the interface of particle physics and algebraic statistics. We study the scattering corresponden…
math.CO2025
Kinematic Stratifications
Veronica Calvo Cortes, Hadleigh Frost, Bernd Sturmfels
We study stratifications of regions in the space of symmetric matrices. Their points are Mandelstam matrices for momentum vectors in particle physics. Kinematic strata in these reg…