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On perfect binary arrays. (English) Zbl 0686.05015
Summary: The perfect binary arrays introduced by Calabro and Wolf correspond to a class of difference sets, viz. H sets. Existence and construction of H sets on various grids are considered. In particular, H sets on 12$$\times 12$$ grids are presented and a number of two-dimensional grids are indicated where H sets do not exist.

##### MSC:
 05B99 Designs and configurations 94B99 Theory of error-correcting codes and error-detecting codes
##### Keywords:
information theory; perfect binary arrays
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