Hogben, L;
Palmowski, KF;
Roberson, DE;
Severini, S;
(2017)
Orthogonal Representations, Projective Rank, and Fractional Minimum Positive Semidefinite Rank: Connections and New Directions.
Electronic Journal of Linear Algebra
, 32
, Article 7. 10.13001/1081-3810.3102.