A lower bound for the Weisfeiler-Leman dimension of circulant graphs
Authors
Yulai Wu, Qing Ren, Ilia Ponomarenko
Abstract
It is proved that for infinitely many positive integers n, there exists a circulant graph of order n whose Weisfeiler-Leman dimension is at least c\sqrt{log n} for some positive constant c not depending on n.