Vol. 12, No. 1, 2011
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On polar ovals in cyclic projective planes

Kei Yuen Chan, Hiu Fai Law and Philip P. W. Wong
Vol. 12 (2011), No. 1, 35–48
DOI: 10.2140/iig.2011.12.35
Abstract

A condition is introduced on the abelian difference set D of an abelian projective plane of odd order so that the oval 2D is the set of absolute points of a polarity, with the consequence that any such abelian projective plane is Desarguesian.

Keywords
ovals, polarity, cyclic difference sets, projective planes
Mathematical Subject Classification 2010
Primary: 05B10, 05B25, 51E15, 51E21
Milestones
Received: 15 December 2009
Authors
Kei Yuen Chan
Hiu Fai Law
Mathematisches
Universität Hamburg
55 Bunderstrasse
20146 Hamburg
Germany
Philip P. W. Wong