PoS - Proceedings of Science
Volume 375 - 14th International Symposium on Radiative Corrections (RADCOR2019) - Math
A refined machinery to calculate large moments from coupled systems of linear differential equations
C. Schneider,* J. Blümlein, P. Marquard
*corresponding author
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Pre-published on: December 19, 2019
Published on: February 18, 2020
Abstract
The large moment method can be used to compute a large number of moments of physical quantities that are described by coupled systems of linear differential equations. Besides these systems the algorithm requires a certain number of initial values as input, that are often hard to derive in a preprocessing step. Thus a major challenge is to keep the number of initial values as small as possible. We present the basic ideas of the underlying large moment method and present refined versions that reduce significantly the number of required initial values.
DOI: https://doi.org/10.22323/1.375.0078
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