2 papers
math.CO2024
Locally resolvable BIBDs and generalized quadrangles with ovoids
Ryan McCulloch
In this note we establish a 1-to-1 correspondence between the class of generalized quadrangles with ovoids and the class of balanced incomplete block designs that posses a non-tria…
math.GR2024
The Chermak-Delgado Measure as a Map on Posets
William Cocke, Ryan McCulloch
The Chermak-Delgado measure of a finite group is a function which assigns to each subgroup a positive integer. In this paper, we give necessary and sufficient conditions for when t…