A family of diameter perfect constant-weight codes from Steiner systems

Minjia Shi, Yuhong Xia, Denis S. Krotov

If $S$ is a transitive metric space, then $|C|\cdot |A|\le |S|$ for any distance-$d$ code $C$ and a set $A$, ``anticode'', of diameter less than $d$. For every Steiner S$(t,k,n)$ s…