A group-theoretic characterization of classical unitals
type: Item
instance of: scholarly article
title: A group-theoretic characterization of classical unitals
zbMATH Open document ID: 0961.51006
DOI: 10.1007/PL00000403
published in: Archiv der Mathematik
publication date: 2000-12-14T00:00:00Z
review text: The authors prove the following beautiful characterization of the classical unitals: A unital embedded in \(\Pi=PG(2,q^2)\) is classical (i.e., induced by a unitary polarity) if and only if it is fixed by a subgroup of order \(q^2-q+1\) of a Singer group for \(\Pi\).
Mathematics Subject Classification ID: 51E20
Mathematics Subject Classification ID: 05B25
zbMATH DE Number: 1437110
zbMATH Keywords: projective plane
zbMATH Keywords: characterization
zbMATH Keywords: unitals
author: Antonio Cossidente
author: Gary L. Ebert
author: Gabor Korchmáros
reviewed by: Dieter Jungnickel
MaRDI profile type: Publication
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description: scientific article; zbMATH DE number 1437110