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Mathematics for structure functions

arXiv:hep-ph/0004235 · doi:10.1016/S0920-5632(00)00834-3

Abstract

We show some of the mathematics that is being developed for the computation of deep inelastic structure functions to three loops. These include harmonic sums, harmonic polylogarithms and a class of difference equations that can be solved with the use of harmonic sums.

6 pages LaTeX, uses axodraw.sty and npb.sty (included)