E. R. Vaughan

Learn More
Gerechte designs are a specialisation of latin squares. A gerechte design is an n × n array containing the symbols {1,. .. , n}, together with a partition of the cells of the array into n regions of n cells each. The entries in the cells are required to be such that each row, column and region contains each symbol exactly once. We show that the problem of(More)
  • 1