Showing math.COShow all
3 papers · 1 filter
math.CO2026
Regular, and (bi-)rotary Hall Cayley maps
Wendi Di, Zheng Guo, Cai Heng Li
A classification is given of regular, rotary, and birotary Cayley maps of which the vertex number is coprime to the valency. The classification is involved in constructions of new…
math.CO2026
On the multipliers of a Singer quadrangle
Wendi Di, Tao Feng
A finite generalized quadrangle $\cS$ is a Singer quadrangle if it has an automorphism group that acts sharply transitively on its points. In this paper, we introduce the notion of…
math.CO2021
On central difference sets in Suzuki -groups of type
Wendi Di, Zhiwen He
In this paper, when the order of is even, we prove that there exists no central difference sets in and establish some non-existence results of central partial differ…