Construction of finite groups amalgams and geometries. Geometries of the group U4(2)
作者:
E. A. Komissartschik,
S. V. Tsaranov,
期刊:
Communications in Algebra
(Taylor Available online 1990)
卷期:
Volume 18,
issue 4
页码: 1071-1117
ISSN:0092-7872
年代: 1990
DOI:10.1080/00927879008823955
出版商: Marcel Dekker, Inc.
数据来源: Taylor
摘要:
The paper describes methods of constructing of residually connected and flag-transitive geometries and corresponding presentations cf finite groups. The methods are illustrated on the finite simple group U4(2). As a result all residually connected and flag-transitive geometries of the group U4(2) with maximsl subgroups as the stabilizers of geometries' elements (exclsding rank 4 geometries with a trivial Borel subgroup) were described. USing these geometries several "natural" presentations of the group U4(2) were obtained.
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