On sums and products along the edges, II

Noga Alon, Imre Ruzsa, Jozsef Solymosi

Published 2020-07-25Version 1

This note is an addendum to an earlier paper of the authors. We describe improved constructions addressing a question of Erd\H{o}s and Szemer\'edi on sums and products of real numbers along the edges of a graph. We also add a few observations about related versions of the problem.