(1) Department of Pure Mathematics, University of Adelaide, Adelaide, South Australia, 5005, Australia;(2) Mathematisches Seminar, Universität Kiel, Ludewig-Meyn-str. 4, D-24098 Kiel, Germany; e-mail
Abstract:
A natural method to construct semi-biplanes from antiregular generalized quadrangles is introduced. Properties of the semi-biplanes constructed are discussed. In the finite case and in the topological case the semi-biplanes that arise bear a strong resemblance to semi-biplanes that arise in the natural way from projective planes admitting an involutory homology.