Journal or Book Title
Pure and Applied Functional Analysis
We establish new bounds on the minimum number of distinct eigenvalues among real symmetric matrices with nonzero off-diagonal pattern described by the edges of a graph and apply these to determine the minimum number of distinct eigenvalues of several families of graphs and small graphs.
Bjorkman, Beth; Hogben, Leslie; Ponce, Scarlitte; Reinhart, Carolyn; and Tranel, Theodore, "Applications of analysis to the determination of the minimum number of distinct eigenvalues of a graph" (2018). Mathematics Publications. 171.