The Hopf algebra structure of multiple harmonic sums
1 Pith paper cite this work. Polarity classification is still indexing.
1
Pith paper citing it
abstract
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.