arXiv:2310.19890·v1·High Energy Physics — Theory
Tropical Feynman integration in the physical region
Michael Borinsky🇨🇭 · Henrik J. Munch🇮🇹 · Felix Tellander🇩🇪
Abstract
The software feyntrop for direct numerical evaluation of Feynman integrals is presented. We focus on the underlying combinatorics and polytopal geometries facilitating these methods. Especially matroids, generalized permutohedra and normality are discussed in detail.
Comments: 9 pages, 3 figures, EPS-HEP 2023 proceedings