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A classification of the flag-transitive 2-(v,k,2) designs
Journal of Combinatorial Theory Series A ( IF 0.9 ) Pub Date : 2024-11-26 , DOI: 10.1016/j.jcta.2024.105983
Hongxue Liang, Alessandro Montinaro

In this paper, we provide a complete classification of 2-(v,k,2) designs admitting a flag-transitive automorphism group of affine type with the only exception of the semilinear 1-dimensional group. Alongside this analysis, we provide a construction of seven new families of such flag-transitive 2-designs, one of them infinite, and some of them involving remarkable objects such as t-spreads, translation planes, quadrics and Segre varieties.

中文翻译:


标志传递 2-(v,k,2) 设计的分类



在本文中,我们提供了 2-(v,k,2) 设计的完整分类,承认仿射类型的标志传递自同态群,唯一的例外是半线性一维群。除了此分析之外,我们还提供了这种标志传递 2 设计 7 个新系列的构造,其中一个是无限的,其中一些涉及非凡的对象,例如 t 扩展、平移平面、二次曲线和 Segre 变体。
更新日期:2024-11-26
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