- Wayne Barrett; Camille Jepsen; Robert Lang; Emily McHenry; Curtis Nelson; Kayla Owens
*Inertia sets for graphs on six or fewer vertices,*

Electron. J. Linear Algebra 20 (2010), 53-78. - C. Ekstrand, C. Erickson, D. Hay, L. Hogben and J. Roat
*Note on positive semidefinite maximum nullity and positive semidefinite zero forcing number of partial 2-trees.*

Electron. J. Linear Algebra 23 (2012) 79-87.