On the prime spectrum of an automorphism group of an $AT4(p,p+2,r)$-graph

Ludmila Tsiovkina

This paper is devoted to the problem of classification of $AT4(p,p+2,r)$-graphs. There is a unique $AT4(p,p+2,r)$-graph with $p=2$, namely, the distance-transitive Soic…