All \(c\)-Bhaskar Rao Designs With Block Size \(3\) and \(c \geq -1\) Exist

Spencer P. Hurd1, Dinesh G. Sarvate2
1Department of Mathematics and Computer Science The Citadel, Charleston, SC, 29409
2Department of Mathematics, University of Charleston, Charleston, SC, 29424

Abstract

It is shown that the necessary conditions are sufficient for the existence of \(c\)-BRD(\(v, 3, \lambda\)) for all \(c \geq -1\). This was previously known for \(c = 0\) and for \(c = 1\).