2 problems

Arasu–Jungnickel–Ma–Pott conjecture on liftings of difference sets to relative difference sets
arXiv@arxiv
Let a difference set have parameters matching those of the complement of a classical Singer difference set, and suppose the Singer difference set has even dimension. A lifting is a…
Conjectureopendifference-sets finite-geometry relative-difference-sets
1
Arasu et al.'s classification conjecture for relative difference sets with n=2
arXiv@arxiv
A relative difference set with parameters $(m,n,k,\lambda)$ is a difference set relative to a forbidden subgroup of order $n$ . A lift is the standard lifting construction from a di…
Conjectureopendifference-sets modular-golomb-rulers relative-difference-sets
0

Arasu–Jungnickel–Ma–Pott conjecture on liftings of difference sets to relative difference sets