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Weak isometries of the Boolean cube
S. De Winter, M. Korb
Consider the metric space consisting of the -dimensional Boolean cube equipped with the Hamming distance. A weak isometry of is a permutation of $\ma…
Automorphisms of strongly regular graphs
S. De Winter, E. Kamischke, Z. Wang
In this article we generalize a theorem of Benson for generalized quadrangles to strongly regular graphs and directed strongly regular graphs. The main result provides numerical re…
Linear representations of subgeometries
Stefaan De Winter, Sara Rottey, Geertrui Van de Voorde
The linear representation of a point set in a hyperplane of is a point-line geometry embedded in this projective space. In t…
A geometric approach to Mathon maximal arcs
Frank De Clerck, Stefaan De Winter, Thomas Maes
In 1969 Denniston gave a construction of maximal arcs of degree d in Desarguesian projective planes of even order q, for all d dividing q. In 2002 Mathon gave a construction method…