Mathematics – Quantum Algebra
Scientific paper
2004-06-29
Nuclear Physics B (Proc. Suppl.) 135 (2004), 215-219
Mathematics
Quantum Algebra
Talk for Loops & Legs in QFT, Zinnowitz, 2004
Scientific paper
10.1016/j.nuclphysbps.2004.09.05
Multiple harmonic sums appear in the perturbative computation of various
quantities of interest in quantum field theory. In this article we introduce a
class of Hopf algebras that describe the structure of such sums, and develop
some of their properties that can be exploited in calculations.
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