8 citations · 19 across the 9 of their papers we have counts for
Showing 2022Show all
2 papers · 1 filter
math.CO2022
Generalized spikes with circuits and cocircuits of different cardinalities
Nick Brettell, Kevin Grace
We consider matroids with the property that every subset of the ground set of size is contained in a -element circuit and every subset of size is contained in a -el…
math.CO2022
A combinatorial bound on the number of distinct eigenvalues of a graph
Sarah Allred, Craig Erickson, Kevin Grace +2
The smallest possible number of distinct eigenvalues of a graph , denoted by , has a combinatorial bound in terms of unique shortest paths in the graph. In particular, $q(…