Polarized non-abelian representations of slim near-polar spaces

被引:0
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作者
Bart De Bruyn
Binod Kumar Sahoo
机构
[1] Ghent University,Department of Mathematics
[2] National Institute of Science Education and Research,School of Mathematical Sciences
来源
Journal of Algebraic Combinatorics | 2016年 / 44卷
关键词
Near-polar space; Universal/ Polarized non-abelian representation; Universal projective embedding; Minimal polarized embedding; Extraspecial 2-group ; Combinatorial group theory; 05B25; 51A45; 51A50; 20F05;
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摘要
In (Bull Belg Math Soc Simon Stevin 4:299–316, 1997), Shult introduced a class of parapolar spaces, the so-called near-polar spaces. We introduce here the notion of a polarized non-abelian representation of a slim near-polar space, that is, a near-polar space in which every line is incident with precisely three points. For such a polarized non-abelian representation, we study the structure of the corresponding representation group, enabling us to generalize several of the results obtained in Sahoo and Sastry (J Algebraic Comb 29:195–213, 2009) for non-abelian representations of slim dense near hexagons. We show that with every polarized non-abelian representation of a slim near-polar space, there is an associated polarized projective embedding.
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页码:59 / 79
页数:20
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