Difference Equations in Massive Higher Order Calculations

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dc.creatorBierenbaum, I.
dc.creatorBlümlein, J.
dc.creatorKlein, S.
dc.creatorSchneider, C.
dc.date2007-07-31
dc.date.accessioned2026-07-07T12:13:39Z
dc.date.available2026-07-07T12:13:39Z
dc.descriptionThe calculation of massive 2--loop operator matrix elements, required for the higher order Wilson coefficients for heavy flavor production in deeply inelastic scattering, leads to new types of multiple infinite sums over harmonic sums and related functions, which depend on the Mellin parameter $N$. We report on the solution of these sums through higher order difference equations using the summation package {\tt Sigma}.
dc.description15 pages latex, Proceedings ACAT 2007
dc.identifierhttps://arxiv.org/abs/0707.4659
dc.identifierhttp://arxiv.org/abs/0707.4659
dc.identifierPoSACAT2007:082,2007
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/210921
dc.subjectMathematical Physics
dc.subjectMathematical Software
dc.subjectHigh Energy Physics - Phenomenology
dc.titleDifference Equations in Massive Higher Order Calculations
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