2 papers
math.CO2019
Some observations on the smallest adjacency eigenvalue of a graph
Sebastian M. Cioabă, Randall J. Elzinga, David A. Gregory
In this paper, we discuss various connections between the smallest eigenvalue of the adjacency matrix of a graph and its structure. There are several techniques for obtaining upper…
math.CO2016
Addressing Graph Products and Distance-Regular Graphs
Sebastian M. Cioabă, Randall J. Elzinga, Michelle Markiewitz +2
Graham and Pollak showed that the vertices of any connected graph can be assigned -tuples with entries in , called addresses, such that the distance in betw…