Volume 20

Issue 1

3/2026

Shun-Wei Xu, Bo Zhang, Chao-Ping Chen

On an open problem concerning the reciprocal sum related to the Riemann zeta-function

20-01 Pages 1-16

Abstract Article

Tie-Hong Zhao, Miao-Kun Wang

A lower bound for the beta function

20-02 Pages 17-28

Abstract Article

Shigeru Furuichi, Nicuşor Minculete, Hamid Reza Moradi, Mohammad Sababheh

Hermite-Hadamard and gradient inequalities for convex functions

20-03 Pages 29-50

Abstract Article

Mahmood Kamil Shihab

Bernstein-Doetsch type theorems for decreasing Jensen m-convex functions

20-04 Pages 51-59

Abstract Article

Yuanjie Geng, Deshu Sun, Feng Wang, Yingxia Zhao

GSDD₁⁺ matrices and error bounds for linear complementarity problems

20-05 Pages 61-80

Abstract Article

Zhong-Qi Xiang, Chun-Xia Lin, Yu-Xian Chen, Zhao-Sheng Xu

A new view on some two-sided inequalities for frames in Hilbert spaces

20-06 Pages 81-90

Abstract Article

Efruz Özlem Mersin

The exponential form of the Frank matrix

20-07 Pages 91-112

Abstract Article

Chunguang Ren, Pei Zhang

Three equivalent distances about singular subspaces

20-08 Pages 113-120

Abstract Article

Zameddin I. Ismailov, Pembe Ipek Al

On the δ-numerical radius and the δ-Crawford number functions of direct sum of Hilbert space operators

20-09 Pages 121-145

Abstract Article

Min-Jie Luo, Ravinder Krishna Raina

Upper bounds for Erdélyi's multivariate Laguerre polynomials

20-10 Pages 147-154

Abstract Article

Paulraj Jayasimman, Choonkil Park, Siriluk Donganont, D. Gowthaman, Vediyappan Govindan

Formable integral transform and Ulam stability of nth order linear differential equations

20-11 Pages 155-180

Abstract Article

Ayşenur Aydoğdu, Canay Aykol, Javanshir J. Hasanov

Integral operators and their commutators in variable exponent generalized weighted Morrey-Guliyev spaces

20-12 Pages 181-202

Abstract Article

Xiangling Zhu

Strict singularity of Volterra integral operator on Bergman-Morrey type spaces

20-13 Pages 203-215

Abstract Article

A. Lecko, Y. J. Sim, Derek K. Thomas

Sharp inequalities for Hermitian-Toeplitz determinants of strongly Ozaki close-to-convex functions

20-14 Pages 217-225

Abstract Article

Rita A. Hibschweiler, Mehak Sharma, Ajay K. Sharma

Difference of differentiation composition operators from the Besov space B¹ to Bloch-type spaces and little Bloch-type spaces

20-15 Pages 227-245

Abstract Article

Junmei Zuo, Yonghui Ren

Power-type inequalities in the framework of p-convexity with applications to matrix inequalities

20-16 Pages 247-265

Abstract Article

Stevo Stević

Note on norm estimate of a linear operator from the classical weighted Bergman space to the mth weighted-type space

20-17 Pages 267-282

Abstract Article

Doan Thi Thuy Van

Some new improvements for multiple-term versions of Alzer-Fonseca-Kovačec's type inequalities

20-18 Pages 283-306

Abstract Article

Chunyu Tian

Complete convergence and complete moment convergence for weighted sums of martingale difference random vectors

20-19 Pages 307-320

Abstract Article

Hongliang Zuo, Hao Han

On further refinements of Young-type inequalities with Kantorovich constant

20-20 Pages 321-337

Abstract Article

Kotaro Ishikawa, Yusuke Nishizawa, Hiroyuki Otaki, Shoma Sumi

Wilker type inequalities with two-parameterized quadratic power exponential functions

20-21 Pages 339-356

Abstract Article

Xuan Li, Yonghui Ren

New inequalities for (M_Ψ,h)-convex functions and applications

20-22 Pages 357-382

Abstract Article

Issue 2

6/2026

Kadir Kanat, Melek Sofyalioğlu Aksoy, Selin Erdal

Kantorovich-type generalization of confluent Jakimovski-Leviatan operators

20-23 Pages 383-397

Abstract Article

Jian Shi, Zhaoyu Wang, Cheng Wei, Jiahang Xu

Several results on two new relative operator entropies

20-24 Pages 399-407

Abstract Article

Jiangfeng Hao, Yi Wu, Xuejun Wang

Law of the single logarithm for weighted sums of m-negatively orthant dependent random variables and its application

20-25 Pages 409-424

Abstract Article

Mahdieh Azari, Farzaneh Falahati-Nezhad

Inequalities involving multiplicative Sombor index

20-26 Pages 425-448

Abstract Article

Yuto Miyadera

Remark on the formula for L^p norm characterized by weak L^p norm

20-27 Pages 449-455

Abstract Article

Najla Altwaijry, Shigeru Furuichi, Nicuşor Minculete

Some relations for relative operator entropies via inequalities

20-28 Pages 457-474

Abstract Article

Wasim Audeh, Hamid Reza Moradi, Mohammad Sababheh

Norm and numerical radius bounds for certain operator forms

20-29 Pages 475-490

Abstract Article

Bashar Mayyas, Mohammad Sababheh

On the p-numerical radii of operator matrices

20-30 Pages 491-509

Abstract Article

Abbas Najati, Iz-iddine EL-Fassi

Erratum to: Hyers-Ulam type stability of Jensen operators in locally convex cones

20-31 Pages 511-513

Abstract Article

Ismail Nikoufar, Maryam Fazlolahi, Shigeru Furuichi

Bounds of some two-parameters relative operator entropies

20-32 Pages 515-529

Abstract Article

Junjian Yang, Chuchu Tang, Qi Song

Norm inequalities for sector block matrices involving concave functions

20-33 Pages 531-548

Abstract Article

Tri Dung Tran, Quang Dang Doan

Commutators of fractional integral operators with homogeneous kernels on generalized weighted Lorentz-Morrey spaces

20-34 Pages 549-580

Abstract Article

Omar Hirzallah, Fuad Kittaneh, Khalid Shebrawi

Norm inequalities for convex functions of accretive-dissipative matrices

20-35 Pages 581-593

Abstract Article

Zhen Wang, Yi Wu

Limit properties for weighted sums of residually h-integrable WOD random variables under sub-linear expectations

20-36 Pages 595-611

Abstract Article

Stevo Stević

Some analytic inequalities and their applications to a class of real sequences

20-37 Pages 613-627

Abstract Article

Ḍặng Võ Phúc

Singular value and norm inequalities via positive block matrices

20-38 Pages 629-649

Abstract Article

Zaid Laadjal

Lyapunov-type inequality for fractional BVPs involving two Hadamard fractional derivatives of different orders

20-39 Pages 651-665

Abstract Article

Xiaomei Dong, Deyu Wu

Quadratic numerical radius inequalities for the off-diagonal parts of 2⨉2 operator matrices

20-40 Pages 667-685

Abstract Article

Naim L. Braha, Toufik Mansour, Arun Kajla

Approximation properties of variant of Szász operators based on Bell-Sheffer polynomials

20-41 Pages 687-705

Abstract Article

Guoen Hu, Kanghui Xia

Boundedness on Triebel-Lizorkin spaces for a class of nonstandard singular integral operators

20-42 Pages 707-725

Abstract Article

Yangxi Xiong, Lijuan Liu, Min He

Complex Orlicz Petty projection inequality

20-43 Pages 727-743

Abstract Article

Fatih Rıza Çelik, Gürhan İçöz

On the multiple Appell polynomials of class A⁽²⁾ and generalization to Szász operators

20-44 Pages 745-758

Abstract Article

K. Jyothi, B. Ravi, A. Venkata Lakshmi

A class of harmonic mean inequalities for completely monotonic functions

20-45 Pages 759-767

Abstract Article

Tie-Hong Zhao, Miao-Kun Wang, Chuan-Long Sun

New refinements of Masjed-Jamei inequality

20-46 Pages 769-783

Abstract Article

Salma Aljawi, Kais Feki, Shigeru Furuichi

Mathematical inequalities for symmetric means and their fractional calculus generalizations

20-47 Pages 785-804

Abstract Article

Issue 3

9/2026

Shun-Wei Xu, Chao-Ping Chen, Neven Elezović

New inequalities involving (n!)^1/n

20-48 Pages 805-814

Abstract Article

Wasim Audeh, Hamid Reza Moradi, Mohammad Sababheh

Weighted Hölder with numerical radius inequalities

20-49 Pages 815-835

Abstract Article

Luhao Yang, Bin Huang, Xuexin Li, Wei Shan, Ying Guo

Generalized uncertainty principle in the context of differential forms

20-50 Pages 837-849

Abstract Article

Bicheng Yang, Ling Peng

A new Hardy-Hilbert-type integral inequality involving one extended derivative function of higher-order

20-51 Pages 851-868

Abstract Article

Aydah Mohammed Ayed AlAhmadi

Exploring toral [m, 𝒞]-isometries in the context of several operators theory

20-52 Pages 869-884

Abstract Article

Sever Silvestru Dragomir, Mubariz T. Garayev

Bounds for the Euclidean (A-M)-numerical radius of a pair of operators in Hilbert spaces with applications

20-53 Pages 885-909

Abstract Article

Mohammed Al-Dolat, Khaldoun Al-Zoubi, Ammar Bani-Abdalnabi

Refined upper bounds for the numerical radius of operators in Hilbert spaces

20-54 Pages 911-928

Abstract Article

Mohamed Rassan Lahwate, Mohamed Amine Ighachane, Driss El Moutawakil

Further inequalities for (ℳ_φ,G) h-convex functions with applications

20-55 Pages 929-949

Abstract Article

Hamid Reza Moradi, Eman Aldabbas, Mohammad Sababheh

Variety of numerical radius inequalities

20-56 Pages 951-965

Abstract Article

Jun-Lei Li, Chun-Ying He, Feng Qi

A new determinantal formula and a new recursive relation for coefficients in the Maclaurin expansion of the reciprocal of the gamma function

20-57 Pages 967-978

Abstract Article

Zhi-jie Jiang, Stevo Stević

On some generalized integration operators from Besov spaces to Bloch tent spaces

20-58 Pages 979-1000

Abstract Article

Xiaohui Fu, Peilin Liu, Chuchu Tang

More generalizations on singular value and norm inequalities of matrices involving submultiplicative functions

20-59 Pages 1001-1014

Abstract Article

Luca Guerrini, V. Madhusudanan, Niranjan Kumar K A

Berezin radius inequalities via unified convexity approach: a general framework encompassing classical results

20-60 Pages 1015-1030

Abstract Article

Esra Kaya

Some results for a family of integral operators of singular type in weighted variable Lebesgue spaces

20-61 Pages 1031-1041

Abstract Article

Ramy R. Mahmoud, Samir H. Saker, K. R. Abdo

Two-exponent weighted Beesack-Opial inequalities on time scales and applications

20-62 Pages 1043-1061

Abstract Article

Stevo Stević

On the point evaluations on a class of spaces of holomorphic functions

20-63 Pages 1063-1077

Abstract Article

Ludmila Nikolova, Lars-Erik Persson, Sanja Varošanec, Markos Yimer

Refinements of some classical inequalities via superterzatic functions

20-64 Pages 1079-1091

Abstract Article

K. Kuliev, Mohlaroyim Eshimova

Estimates for the norm of the Volterra operator in weighted Lebesgue spaces

20-65 Pages 1093-1105

Abstract Article

László Horváth

Refinements of the Hermite-Hadamard inequality by increasing functions and their pseudo-inverses

20-66 Pages 1107-1124

Abstract Article

Yushuai Han

Sharp constants for a weighted geometric-mean family on boxes

20-67 Pages 1125-1132

Abstract Article

Zixing Zhuang, Chenglong Fang, Liwen Cao

Boundedness of commutator generated by fractional integral operator and Orlicz-BMO function

20-68 Pages 1133-1146

Abstract Article

Yonghui Ren

Some generalized refinements and reverses of convex functions and applications

20-69 Pages 1147-1160

Abstract Article