Design theory
Difference families from rings
Discrete Mathematics - Special volume: Designs and Graphs
Perfect Mendelsohn designs with block size six
Discrete Mathematics
Existence of (q,6,1) Difference Families withq a Prime Power
Designs, Codes and Cryptography
Perfect Graeco-Latin balanced incomplete block designs (pergolas)
Discrete Mathematics
(3,6) GWhD(v): existence results
Discrete Mathematics - Papers on the occasion of the 65th birthday of Alex Rosa
Existence of OBIBDs with k = 4 with and without nesting
Discrete Mathematics - Special issue: The 18th British combinatorial conference
A Construction of Optimal Constant Composition Codes
Designs, Codes and Cryptography
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A range of methods is presented for the recursive construction of sets of orthogonal balanced incomplete block designs. To enable these methods, some new types of designs are defined. Some examples of these are given, and pairs of orthogonal BIBDs constructed for k = 3, λ = 2, for all but 12 values of v where v ≡ 0, 1 (mod 3) with v ≥ 6.