Euclidean and circum-Euclidean distance matrices: characterizations and linear preservers. Li, Chi-Kwong; Milligan, Thomas; Trosset, Michael W. — 2010 ELA. The Electronic Journal of Linear Algebra [electronic only]
Non-existence of 5 × 5 full ray nonsingular matrices. Li, Chi-Kwong; Milligan, Thomas; Shader, Bryan L. — 2004 ELA. The Electronic Journal of Linear Algebra [electronic only]