3 papers
math.CO2025
Classification of thin Jordan schemes
Mikhail Muzychuk, Christian Pech, Andrew Woldar
Jordan schemes generalize association schemes in a similar way as Jordan algebras generalize the associative ones. It is well-known that association schemes of maximal rank are in…
math.CO2023
On the automorphism group of a putative Conway 99-graph
Patrick G. Cesarz, Andrew J. Woldar
Let be a {Conway 99-graph}, that is, a strongly regular graph with parameters . In Makhnev and Minakova (On automorphisms of strongly regular graphs with parameter…
math.CO1995
A new series of dense graphs of high girth
Felix Lazebnik, Vasiliy A. Ustimenko, Andrew J. Woldar
Let be an odd integer, , and be a prime power. We construct a bipartite, -regular, edge-transitive graph of order $v \l…