A Note on Extreme Correlation Matrices. - Chi-Kwong Li; Bit-Shun Tam (SIAM J. Matrix Anal. Appl., 1994)

Graphs G with nullity 2c(G)+p(G)-1. - Sarula Chang; Bit-Shun Tam; Jianxi Li; Yirong Zheng (Discret. Appl. Math., 2022)