Inertially arbitrary nonzero patterns of order 4. Cavers, Michael S.; Vander Meulen, Kevin N. — 2007 ELA. The Electronic Journal of Linear Algebra [electronic only]
On determining minimal spectrally arbitrary patterns. Cavers, Michael S.; Kim, In Jae; Shader, Bryan L.; Vander Meulen, Kevin N. — 2005 ELA. The Electronic Journal of Linear Algebra [electronic only]