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
收藏
页码：197 / 201
页数：5
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