document.write("« Deformations of Lorentzian Polyhedra: Kapovich-Millson phase space and SU(1,1) Intertwiners. (arXiv:1807.06848v1 [math-ph])");document.write(" | ");document.write("Digit sums and generating functions. (arXiv:1807.06710v1 [math.NT]) »");