Bhaskar Rao Designs and the Alternating Group A4


D. Combe, W.D. Palmer and W.R. Unger


Research Report 2000-18
Date: 14 September 2000
To appear in Australasian Journal of Combinatorics


In this paper we introduce a new construction for generalized Bhaskar Rao designs. Using this construction, we show that a generalized Bhaskar Rao design, GBRD(v,3,lambda;A4) exists if and only if lambda is equivalent to 0 (mod 12).

Key phrases

Bhaskar Rao designs. block designs. alternating groups.

AMS Subject Classification (1991)

Primary: 05B20


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