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Ovals in the Designs W(2m)

J.D. Key1, K. Mackenzie1
1 Department of Mathematical Sciences, Clemson University, Clemson, SC 29634, U.S.A.

Abstract

Using the permutation action of the group PSL2(2m) on its dihedral subgroups of order 2(2m+1) for the description of the class of designs W(2m) derived from regular ovals in the Desarguesian projective plane of order 2m, we construct a 2-design of ovals for W(2m) for m3, and thus determine certain properties of the binary codes of these classes of designs.