First issue under OJS

Published: 2020-01-20

Solving an Open Problem About the G-Drazin Partial Order

David Ferreyra, Marina Lattanzi, Fabián Levis, Nestor Thome

55-66

$C$--normal operators

Marek Ptak, Katarzyna Simik, Anna Wicher

67-79

Strongly self-inverse weighted graphs

Abraham Berman, Naomi Shaked-Monderer, Swarup Kumar Panda

80-89

Relaxing the Nonsingularity Assumption for Intervals of Totally Nonnegative Matrices

Jürgen Garloff, Mohammad Adm, Khawla Al Muhtaseb, Ayed Abedel Ghani

106-123

On inequalities for A-numerical radius of operators

Pintu Bhunia, Kallol Paul, Raj Kumar Nayak

143-157

Rank of Linear and Quadratic Combinations of Matrices

Ch. R. Johnson, J. M. Pena, T. Szulc

169-176