4.7 Article

Geometric approach to asymptotic expansion of Feynman integrals

Journal

EUROPEAN PHYSICAL JOURNAL C
Volume 71, Issue 4, Pages -

Publisher

SPRINGER
DOI: 10.1140/epjc/s10052-011-1626-1

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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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