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math.CO2025
On relative simple Heffter spaces
Laura Johnson, Lorenzo Mella, Anita Pasotti
In this paper, we introduce the concept of a relative Heffter space which simultaneously generalizes those of relative Heffter arrays and Heffter spaces. Given a subgroup of an…
math.CO2025
Strongly Regular Graphs with Generalized Denniston and Dual Generalized Denniston Parameters
Shuxing Li, James A. Davis, Sophie Huczynska +2
We construct two families of strongly regular Cayley graphs, or equivalently, partial difference sets, based on elementary abelian groups. The parameters of these two families are…