Volume 20

Issue 1

3/2026

Abdul Nadim Khan, Majed Albaity

A characterization of an additive identity on matrix algebras

20-01 Pages 1-13

Abstract Article

S. Alaoui Chrifi

Square roots of m-complex symmetric operators

20-02 Pages 15-26

Abstract Article

Zhong-Qi Xiang, Xiang-Chun Xiao

A new view on multipliers for K-frames in Hilbert spaces

20-03 Pages 27-46

Abstract Article

Mojtaba Bakherad, Nooshin Eslami Mahdiabadi, Monire Hajmohamadi, Mubariz T. Garayev

Some inequalities for g-generalized Euclidean Berezin number

20-04 Pages 47-65

Abstract Article

Jiarui Chen, Wenhua Wang

Weighted norm estimates for commutators of several square functions

20-05 Pages 67-82

Abstract Article

Wenting Liang, Chunyan Deng

Further properties of the minus order in Hilbert spaces

20-06 Pages 83-101

Abstract Article

Issue 2

6/2026

Halimeh Ardakani, Maryam S. Zabihinpour Jahromi

Strong L-limited sets of order p in the dual of Banach lattices

20-07 Pages 103-128

Abstract Article

Arup Majumdar, P. Sam Johnson, Ram N. Mohapatra

Characterizations of closed EP operators on Hilbert spaces

20-08 Pages 129-145

Abstract Article

Messaoud Guesba, Pintu Bhunia, Suvendu Jana, Kallol Paul

Schatten p-norm and Euclidean operator radius inequalities

20-09 Pages 147-161

Abstract Article

Estelle Basor, Kent E. Morrison

Determinant formulas for finite Toeplitz plus Hankel matrices with rational symbols

20-10 Pages 163-190

Abstract Article

Satyajit Sahoo, Narayan Behera

Generalized numerical radius inequalities for certain operator matrices

20-11 Pages 191-209

Abstract Article

Yonghui Ren, Pintu Bhunia, Mohamed Amine Ighachane

Numerical radius inequalities for operator matrices through mixed Schwarz type inequalities

20-12 Pages 211-227

Abstract Article

Issue 3

9/2026

Shib Sankar Saha, Swarup Kumar Panda

Graphs with distinct reciprocal distance Laplacian eigenvalues

20-13 Pages 229-241

Abstract Article

Xiangling Zhu

Analytic α-Morrey spaces and Volterra integral operators

20-14 Pages 243-261

Abstract Article

Maribel Loaiza Leyva, Miguel Antonio Morales-Ramos, María del Rosario Ramírez-Mora, Josué Ramírez-Ortega

On a relationship between orthogonal projections and Toeplitz operators on poly-Bergman spaces of the upper half-plane: vertical symbols

20-15 Pages 263-288

Abstract Article

Guillermina Fongi, M. Celeste Gonzalez

Proper splittings of Hermitian operators

20-16 Pages 289-306

Abstract Article

Lan Lu, Yu Wang

A short proof of Fagundes's theorem

20-17 Pages 307-311

Abstract Article

Arpit Kansal, Ajay Kumar

Injectivity of canonical maps between operator space tensor products

20-18 Pages 313-324

Abstract Article

Elaheh Ahmadi, Mohammad Janfada

On iterative approximate Schauder frames in Banach spaces

20-19 Pages 325-337

Abstract Article

Hamid Nkhaylia

Multiplicatively pseudo spectrum preserving maps on Banach spaces

20-20 Pages 339-363

Abstract Article

Ricardo L. Soto

A Šmigoc gluing approach for controlling Jordan structures

20-21 Pages 365-376

Abstract Article

Sanyam Tyagi, S. Hans

On bounds of eigenvalues of monic matrix polynomials

20-22 Pages 377-384

Abstract Article