3 papers
math.CO2022
Sets of mutually orthogoval projective and affine planes
Charles J. Colbourn, Colin Ingalls, Jonathan Jedwab +3
A pair of planes, both projective or both affine, of the same order and on the same pointset are orthogoval if each line of one plane intersects each line of the other plane in at…
math.CO2018
Partial Difference Sets in
Martin E. Malandro, Ken W. Smith
We give an algorithm for enumerating the regular nontrivial partial difference sets (PDS) in the group . We use our algorithm to obtain all of these PD…
math.CO2018
All difference sets and related structures
Omar A. AbuGhneim, Dylan Peifer, Ken W. Smith
In 1978, Robert Kibler at the National Security Agency in Fort Meade, Maryland published a description of all noncyclic difference sets with . Kibler's decision to stop his…