Reduction for primitive flag-transitive symmetric 2-(ν, k, λ) designs with λ prime

作者：Zhang, Yongli; Zhang, Zhilin; Zhou, Shenglin^*

来源：Discrete Mathematics, 2020, 343(6): 111843.

DOI：10.1016/j.disc.2020.111843

• 2-design
• Automorphism group
• Primitivity
• Flag-transitivity

Let D be a symmetric 2-(nu, k, lambda) design with lambda prime and G be a flag-transitive and point-primitive automorphism group of D. Then G must be of affine or almost simple type.