The preparata codes and a class of 4‐designs
An extension theorem for t‐designs is proved. As an application, a class of 4‐(4m + 1,5,2) designs is constructed by extending designs related to the 3‐designs formed by the minimum weight vectors in the Preparata code of length n = 4m, m ≥ 2.
Journal of Combinatorial Designs
The preparata codes and a class of 4‐designs.
Journal of Combinatorial Designs,
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