Reflection Identities of Harmonic Sums and pole decomposition of BFKL eigenvalue

Mohammad Joubat, Alex Prygarin

We analyze known results of next-to-next-to-leading(NNLO) singlet BFKL eigenvalue in $N=4$ SYM written in terms of harmonic sums. The nested harmonic sums building known NNLO BFKL…