Volume 19

Issue 1

3/2025

Steven Kendell, Nguyen Lam, Dylan Smith, Austin White, Parker Wiseman

Sharp generalized uncertainty principles via factorizations

19-01 Pages 1-11

Abstract Article

Rajesh Sharma, M. Pal, V. Sharma

Note on bounds for second extreme eigenvalues of Hermitian matrices

19-02 Pages 13-29

Abstract Article

Fugen Gao, Mengyu Hou

A generalization of the weighted algebraic numerical radius on C^*-algebras

19-03 Pages 31-48

Abstract Article

Junmei Fan, Liu Liu, Yufeng Lu

Mixed products of Toeplitz and Hankel operators on the Fock-Sobolev spaces

19-04 Pages 49-67

Abstract Article

Mirjana D. Šikuljak

Jacobson's lemma for the operators admitting Saphar decompositions

19-05 Pages 69-83

Abstract Article

Amit Kumar, Khole Timothy Poumai, S. K. Kaushik

Operator radii of commuting products

19-06 Pages 85-100

Abstract Article

Wai Leong Chooi, Li Yin Tan, Yean Nee Tan

Strong commutativity preserving additive maps on invertible triangular matrices over F₂

19-07 Pages 101-124

Abstract Article

Rachel Domagalski, Yeon Hyang Kim, Sivaram K. Narayan

Sufficient conditions for factor posets of frames in Rⁿ and their graph associations

19-08 Pages 125-142

Abstract Article

Issue 2

6/2025

Zhouyang Chen, Peng-Li Zhang

The signless p-Laplacian spectral radius of graphs with given parameter

19-09 Pages 143-157

Abstract Article

Salah Mecheri

Positive answer to the hyperinvariant subspace problem for M-hyponormal operators

19-10 Pages 159-163

Abstract Article

Lulu Zhang, Guojun Hai

The properties of the product of two orthogonal projections

19-11 Pages 165-182

Abstract Article

Najla Altwaijry, Cristian Conde, Kais Feki, Shigeru Furuichi

On closed range operators and their characterization via p-Schatten ideals

19-12 Pages 183-195

Abstract Article

A. A. Kalybay, Ainur Temirkhanova

Alternative criteria for boundedness of one class of matrix operators in weighted spaces of sequences

19-13 Pages 197-213

Abstract Article

Haocheng Sun

An extension of a Hlawka type inequality

19-14 Pages 215-220

Abstract Article

Xiaomei Dong, Yuzhen Guo, Deyu Wu

Davis-Wielandt radius inequalities for products of Hilbert space operators

19-15 Pages 221-234

Abstract Article

Aakriti Sharma, Ajay K. Sharma, M. Mursaleen

Nuclear Volterra composition operators between Banach type spaces of controlled growth

19-16 Pages 235-260

Abstract Article

Bin Liu, Chengzhong Xiao

Integration operators acting on different weighted Bergman spaces induced by doubling weights

19-17 Pages 261-274

Abstract Article

Aritra Narayan Hisabia, Manideepa Saha

New properties of semipositive matrices and polyhedral cones

19-18 Pages 275-294

Abstract Article

Issue 3

9/2025

Zhi-jie Jiang

Order bounded Stević-Sharma operators between weighted Dirichlet spaces

19-19 Pages 295-309

Abstract Article

Mahsa Fatehi, Mahmood Haji Shaabani

Compact weighted composition-differentiation operators of order n on the Hardy space

19-20 Pages 311-320

Abstract Article

Mojtaba Bakherad, Mubariz T. Garayev

The Berezin radius and the Berezin norm associated with the tensor product

19-21 Pages 321-337

Abstract Article

Sriram Balasubramanian

XY-convex free polynomials revisited

19-22 Pages 339-352

Abstract Article

Ruishen Qian, Zhonghua He

Properties of integral operators on Bergman-Morrey spaces

19-23 Pages 353-372

Abstract Article

Razieh Alvani, Mohammad Janfada, Ghadir Sadeghi

On K-frames generated by operators on Hilbert spaces

19-24 Pages 373-391

Abstract Article

Yuting Guo, Pengcheng Tang

The Hilbert matrix operator acting on spaces of bounded analytic functions

19-25 Pages 393-410

Abstract Article

Ramkishan, Preeti Dharmarha, Amit Kumar

Operator radius inequalities for several operators on Hilbert spaces

19-26 Pages 411-423

Abstract Article

Issue 4

12/2025

Soukaina Madani, Mohamed Morjane, Mohamed Ech-Chad, Youssef Bouhafsi

Extension of the notion of P-symmetric operators using the Aluthge transform II

19-27 Pages 425-439

Abstract Article

Chung-Chuan Chen

Dynamics of weighted translation operators on hypergroups

19-28 Pages 441-455

Abstract Article

Qi Song, Junjian Yang, Shengyan Ma

Refinements of Audenaert interpolation inequality

19-29 Pages 457-465

Abstract Article

Lili Yang

Maps preserving the local spectrum of generalized product of operators

19-30 Pages 467-477

Abstract Article

Li Liang

Solvability of the Sylvester tensor equation

19-31 Pages 479-494

Abstract Article

Yonghui Ren, Mohamed Amine Ighachane

Some generalizations of numerical radii inequalities

19-32 Pages 495-510

Abstract Article

Saikat Mahapatra, Riddhick Birbonshi, Arnab Patra

Upper bounds of numerical radius and a-numerical radius in C^*-algebra setting using Orlicz functions

19-33 Pages 511-532

Abstract Article