example sum

This long-term project and the involved RISC members have been supported by the following grants:

Symbolic Summation in Perturbative Quantum Field Theory (grant P203477-N18 of the Austrian Science Fund)
Computer Algebra for Nested Sums and Products (grant SFB F50, F5009-N15 of the Austrian Science Fund)

LHCPhenoNet, an Initial Training Network (supported by the 7th Framework Programme of the European Commission, PITN-GA-2010-264564)