The \(1\)-rotational \((52,4,1)\)-RBIBD’s

Marco Buratti 1, Fulvio Zuanni 1
1 Dipartimento di Ingegneria Elettrica Universita’ degli Studi di L’Aquila I – 67040 Poggio di Roio (AQ) ITALY

Abstract

Up to isomorphisms, there are exactly 22 \(1\)-rotational resolved \((52,4,1)\)-BIBD’s.