flag-transitivity相关论文
We state that the flag-transitive automorphism group of a 2-(v,5,λ) design D is primitive of affine type or almost simp......
假定D是一个5-(v,k,2)设计,G是一个D的自同构群,并且G的基柱Soc(G)=PSL(2,2n).利用PSL(2,q)的子群作用于投影线上的轨道,证明了G不能旗传递......