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Baer Partitions of Small Order Projective Planes

Rudi Mathon 1, Nicholas Hamilton2
1 Department of Computer Science University of Toronto Toronto, Ontario, Canada M5S3G4
2 Department of Mathematics The University of Queensland Queensland, 4072, Australia

Abstract

The partitions into Baer subplanes of the Desarguesian projective planes of order \(9\), \(16\), and \(25\) are classified by computer. It is also shown that the non-Desarguesian projective planes of order \(9\) and the non-Desarguesian translation planes of order \(16\) and \(25\) do not admit such a partition.