Is there another infinite family of Moore graphs besides the sequence of cycle graphs $C_{2d+1}$?
(By definition a Moore graph must contain a cycle of length $2d+1$ where $d$ is its diameter, so complete graphs are ruled out by this reason.)
Is there another infinite family of Moore graphs besides the sequence of cycle graphs $C_{2d+1}$?
(By definition a Moore graph must contain a cycle of length $2d+1$ where $d$ is its diameter, so complete graphs are ruled out by this reason.)