6 citations · 9 across the 4 of their papers we have counts for
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math.CO2016
There is No McLaughlin Geometry
Patric R. J. Östergård, Leonard H. Soicher
We determine that there is no partial geometry with parameters . The existence of such a geometry has been a challenging open problem of interest to re…
math.CO2016
On the clique number of a strongly regular graph
Gary R. W. Greaves, Leonard H. Soicher
We determine new upper bounds for the clique numbers of strongly regular graphs in terms of their parameters. These bounds improve on the Delsarte bound for infinitely many feasibl…
math.CO2015★ 2 cited
The uniqueness of a distance-regular graph with intersection array {32,27,8,1;1,4,27,32} and related results
Leonard H. Soicher
It is known that, up to isomorphism, there is a unique distance-regular graph with intersection array {32,27;1,12} (equivalently, is the unique strongly regular graph with…