Non-Existence of isomorphisms between certain unitals

被引：9

作者：

Grundhoefer, Theo ^{[1
]}

Krinn, Boris ^{[2
]}

Stroppel, Markus ^{[3
]}

机构：

[1] Univ Wurzburg, Inst Math, D-97074 Wurzburg, Germany

[2] Univ Stuttgart, Inst Geometrie & Topol, D-70550 Stuttgart, Germany

[3] Univ Stuttgart, Fachbereich Math, D-70550 Stuttgart, Germany

来源：

DESIGNS CODES AND CRYPTOGRAPHY | 2011年 / 60卷 / 02期

关键词：

Unital; Ree group; Coulter-Matthews plane; Isomorphism; Automorphism group; O'Nan configuration; DESIGNS;

D O I：

10.1007/s10623-010-9428-2

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

We show that the Ree-Tits unitals are neither classical nor isomorphic to the polar unitals found in the Coulter-Matthews planes. To this end, we determine the full automorphism groups of the finite Ree-Tits unitals.

引用

页码：197 / 201

页数：5

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