scientific article; zbMATH DE number 2042138

zbMath1044.15018MaRDI QIDQ4449878

Yanling Shao, Yu-Bin Gao

Publication date: 15 February 2004

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

directed graphsign pattern matrixwalknonpositive power

Mathematics Subject Classification ID

Hermitian, skew-Hermitian, and related matrices (15B57) Directed graphs (digraphs), tournaments (05C20)