Linear and Multilinear Algebra

Linear preservers of rank-sum-maximum, rank, rank-subtractivity, and rank-sum-minimum on symmetric matrices
pp. 153-165(13)
Author: Zhang, Xian

Extremals and exposed faces of the cone of positive maps
pp. 167-174(8)
Authors: Yopp, David A.; Hill, Richard D.

Exponents of a class of two-colored digraphs
pp. 175-188(14)
Authors: Shao, Yanling; Gao, Yubin; Sun, Liang

Research problem: The completion number of a graph
pp. 189-192(4)
Authors: Bakonyi, M.; Constantinescu, T.

On functions that preserve M-matrices and inverse M-matrices
pp. 193-201(9)
Authors: Bapat, R. B.; Catral, M.; Neumann, Michael

Algebraic connectivity of directed graphs
pp. 203-223(21)
Author: Wu, Chai Wah

On a conjecture about the µ-permanent
pp. 225-230(6)
Author: da Fonseca, C. M.