1. Zero forcing sets and the minimum rank of graphs
2. Minimum rank, maximum nullity and zero forcing number for selected graph families
3. [AIM06] American Institute of Mathematics workshop, “Spectra of Families of Matrices described by Graphs, Digraphs, and Sign Patterns,” held Oct.23-27,2006inPalo Alto, CA. http://aimath.org/pastworkshops/matrixspectrum.html
4. A survey of Nordhaus–Gaddum type relations
5. Rational realizations of the minimum rank of a sign pattern matrix