Geometric approach to asymptotic expansion of Feynman integrals
High Energy Physics - Phenomenology
2011-07-13 v1 High Energy Physics - Theory
Abstract
We present an algorithm that reveals relevant contributions in non-threshold-type asymptotic expansion of Feynman integrals about a small parameter. It is shown that the problem reduces to finding a convex hull of a set of points in a multidimensional vector space.
Keywords
Cite
@article{arxiv.1011.4863,
title = {Geometric approach to asymptotic expansion of Feynman integrals},
author = {Alexey Pak and Alexander Smirnov},
journal= {arXiv preprint arXiv:1011.4863},
year = {2011}
}
Comments
6 pages, 2 figures