Issue 4

Aniket Bhanja, Pintu Bhunia, Kallol Paul

On generalized Davis-Wielandt radius inequalities of semi-Hilbertian space operators

15-76 Pages 1201-1225

Abstract Article

Manideepa Saha

On some generalized inverses of M_∨-matrices

15-77 Pages 1227-1240

Abstract Article

Jiawen Ding, Jiu Ding

An eigenvector-eigenvalue-identity for matrices with a non-semi-simple eigenvalue

15-78 Pages 1241-1256

Abstract Article

Asmahan E. Alajyan, Jonathan R. Partington

Weighted operator-valued function spaces applied to the stability of delay systems

15-79 Pages 1257-1266

Abstract Article

Thanin Quartz, Ilya M. Spitkovsky

On the Stampfli point of some operators and matrices

15-80 Pages 1267-1287

Abstract Article

T. Bottazzi, C. Conde

Generalized numerical radius and related inequalities

15-81 Pages 1289-1308

Abstract Article

Mehrdad Golabi, Kourosh Nourouzi

Banach weak topology on Hilbert C^✻-modules

15-82 Pages 1309-1317

Abstract Article

Rytis Juršėnas

The A-model with mutually equal model parameters can lead to a Hilbert space model

15-83 Pages 1319-1336

Abstract Article

Don Hadwin, Wenjing Liu

Path-connected closure of unitary orbits

15-84 Pages 1337-1350

Abstract Article

Eric Evert

The Arveson boundary of a free quadrilateral is given by a noncommutative variety

15-85 Pages 1351-1378

Abstract Article

H. R. Moradi, S. Furuichi, Z. Heydarbeygi, M. Sababheh

Revisiting the Grüss inequality

15-86 Pages 1379-1392

Abstract Article

Koen van den Dungen, Lennart Ronge

The APS-index and the spectral flow

15-87 Pages 1393-1416

Abstract Article

Lei Liu, Meiyue Liu

On Jordan biderivations of triangular rings

15-88 Pages 1417-1426

Abstract Article

Rongfang Li, Deyu Wu, Alatancang Chen

Some general quadratic numerical radius inequalities for the off-diagonal parts of 2 ⨉ 2 block operator matrices

15-89 Pages 1427-1444

Abstract Article

Ramiz Tapdigoglu, Mehmet Gürdal, Najla Altwaijry, Nur Sarı

Davis-Wielandt-Berezin radius inequalities via Dragomir inequalities

15-90 Pages 1445-1460

Abstract Article

Maliheh Hosseini, Juan J. Font

Local and 2-local isometries between absolutely continuous function spaces

15-91 Pages 1461-1468

Abstract Article

Charalampos Magiatis

Characterizations of elementary operators

15-92 Pages 1469-1475

Abstract Article

E. H. Benabdi, M. Barraa, M. K. Chraibi, A. Baghdad

Maximal numerical range and quadratic elements in a C^✻-algebra

15-93 Pages 1477-1487

Abstract Article

Xin Hou

Every real symplectic matrix is a product of commutators of real symplectic involutions

15-94 Pages 1489-1504

Abstract Article

Josué I. Rios-Cangas

Canonical decomposition for dissipative linear relations

15-95 Pages 1505-1519

Abstract Article

Gregory T. Adams, Nathan A. Wagner

A functional decomposition of finite bandwidth reproducing kernel Hilbert spaces

15-96 Pages 1521-1539

Abstract Article

Dao Van Duong, Ngo Thi Hong

Multilinear Hausdorff operator and commutators on weighted Morrey and Herz spaces

15-97 Pages 1541-1557

Abstract Article

Constantin Buşe, Donal O'Regan, Olivia Saierli

Erratum to "A surjectivity problem for 3 by 3 matrices, Operator and Matrices, 13, no. 1, (2019) 111–119"

15-98 Pages 1559-1561

Abstract Article

Dijana Mosić, Honglin Zou

Extension of generalized strong Drazin inverse

15-99 Pages 1563-1573

Abstract Article

Theophilus Agama

The outer product and outer product space

15-100 Pages 1575-1580

Abstract Article

Shaymaa Al-shakarch, Ian Doust

Isomorphisms of BV(σ) spaces

15-101 Pages 1581-1596

Abstract Article

Xingxing Yao

Complex symmetry of weighted composition operators on a Hilbert space of Dirichlet series

15-102 Pages 1597-1606

Abstract Article