2 papers
math.CO2023
Block-transitive - designs on exceptional groups of Lie type
Ting Lan, Weijun Liu, Fu-Gang Yin
Let be a non-trivial -block-transitive - design, where for some finite non-abelian simple group . It is proved that i…
math.CO2023
The group vertex magicness of unicyclic and bicyclic graphs
Qianfen Liao, Weijun Liu
In this paper, we give a characterization of unicyclic graphs with diameter at most 4 which are A-vertex magic. Moreover, let G be a bicyclic graph of diameter 3, then G is group v…