2 papers
math.CO2024
Association schemes obtained from the action of the general unitary group on isotropic vectors
Nathaniel Benjamin, Sung Yell Song
An infinite family of association schemes obtained from the general unitary groups acting transitively on the sets of isotropic vectors in the finite unitary spaces are investigate…
math.CO2011
Some families of directed strongly regular graphs obtained from certain finite incidence structures
Oktay Olmez, Sung Y. Song
This is the second report of our work on the construction of directed strongly regular graphs. In our previous work, we constructed a couple of infinite families of new directed st…