Geometric approach to asymptotic expansion of Feynman integrals

Details Geometric approach to asymptotic expansion of Feynman integrals Geometric approach to asymptotic expansion of Feynman integrals

2010-11-22

arxiv.org/abs/1011.4863v1

Eur.Phys.J.C71:1626,2011

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, 2 figures

Scientific paper

10.1140/epjc/s10052-011-1626-1

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.

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