Vol. 19

Change in Publication Schedule:

The publication schedule of the Journal of Mathematical Extension has changed from monthly to bimonthly from the beginning of 2025. Therefore, the journal will publish 6 issues per year, e.g. the publication schedule in 2025 will be Volume 19, Issues 1–6.

Published: 2025-03-04

Vol. 19, No. 1, (2025)

A Quantile Approach to the Kullback-Leibler Divergence on Type-I Censored Variable and Record Values

Alireza Pakgohar, Fatemeh Yousefzadeh
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m-POLAR FUZZY d-IDEALS ON d-ALGEBRAS

Damla Yılmaz, Hasret Yazarlı, Young Bae Jun
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The Roman domination number of comaximal ideal graph

Soheila Khojasteh, Farideh Heydari
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On solvability of some impulsive initial value‎ ‎fractional differential equations via generalized weak Wardowski contractions

Babak Mohammadi
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The investigation of stability and optimal control of the multigroup Covid-19 epidemic model in Iran

Najme Davarian, Aghileh Heydari, Seyed Hamed Hashemi Mehne, Ali akbar Heydari
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CHARACTRIZATION OF BI-GYROSEMIGROUPS: AN EMPHASIS ON ORDER 2

Raoufeh Manaviyat, Kazem Hamidizadeh, Saeed Mirvakili
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Vol. 19, No. 2, (2025)

Eccentric and Leap Eccentric Connectivity Indices of Some Mycielski Graphs

Hande Tunçel Gölpek, Aysun Aytaç
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On $\mathcal{I}^{\mathcal{K}}$ -Connectedness and compactness

Hassina Sabor Behmanush
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Mean Value Functions and Comparative Convexity

Mohammad Hadi Hooshmand
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Exploring the Geometric Characteristics of Harmonic Functions Using the Second-Order Jackson q-Derivative

Serkan Çakmak
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Advanced Catastrophic Risk Modeling in Insurance: A Fokker-Planck Equation Approach

Shahram Rezapour, Majid Tiri Nazarlou, Ali Khani
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Convergence and dynamics of a family of Secant-Like Methods with memory to solve nonlinear equations

Vali Torkashvand, Mohammad Ali Fariborzi Araghi
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Vol. 19, No. 3, (2025)

$Z^{+}$-Initial Value Problem with Extended Triangular Distribution

Nazanin Ahmady
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Optimal control and global stability of the stomach cancer treatment model in the presence of obesity and psychological scare‎

Muhammad Faleh yoness Al-Aboud, Hossein Kheiri, Gholamreza Hojjati, Shireen Jawad
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Fair fixed cost allocation plan based on single-stage DEA model in the presence of production trade-offs

Javad Gerami
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Connected topological $n$-ary polygroups and fundamental relations

M. Mostaghimy, Bijan Davvaz
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Symmetry Reductions and Exact Solutions for Caputo-Type Fractional Differential Equations and Nonlinear Fractional Wave-Diffusion Systems

Fariba Bahrami, Ramin Najafi, Parisa Vafadar
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Solution and hyperstability of orthogonally triple Lie hom-derivations

Javad Izadi, Mohammad Esmael Samei
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Vol. 19, No. 4, (2025)

Endo-Artinian Modules

Saeed Safaeeyan
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On Tricomplex Ernst-type sequence

Eudes Antonio Costa, Paula M.M.C. Catarino, Fernando Soares Carvalho
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An Improved Bernoulli Collocation Method for Solving Volterra Integral Equations

Anahita Khansari, Saeed Khezerloo, Mustafa Nouri, Muhammad Arghand
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Determination of the Efficient Frontier of Weak and Strong Production Possibility Set using Genetic Algorithms

Sharif Malakouti, Reza Kargar, Zohre Taeb, Hadi Bagherzade, Leila Karamali
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An application of Orthonormal Bernoulli polynomials for solving Generalized Abel’s integral equations

Nouradin Parandin, Ali Seifi, Mohsen Darabi
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Some Remarks on The Weak Integral Closure of a Filtration Relative to a Module

Farhad Dorostkar
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Vol. 19, No. 5, (2025)

Hybrid and Hyper Meta-Heuristics Algorithms for Cost-Based U-Shaped Assembly Line Balancing Problem with Multi-Mode Equipment Possibility

Shabnam Zhagharian, Hamid Reza Maleki, Sadegh Niroomand
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Some Counterexamples of $(\phi,\psi)-$amenable -like Properties of Banach Algebras

Salman Babayi, Amir Sahami, Seyed Mehdi Kazemi Torbaghan
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On extended H-proper hypersurfaces with three curvatures in the Lorentz 5-pseudosphere

Firooz Pashaie, Ghorbanali Haghighatdoost, Sara Hoseinpour, Leila Shahbaz
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Ideal Theory in Sheffer Stroke Hilbert Algebras using Intu- Itionistic Fuzzy Points

Arsham Boroomand Saeid, T Oner, Y. B Jun
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Beurling-Fourier Algebras on The Homogeneous Spaces

Motahhare Bagheri Seyghalan, marzieh Shams Yousefi
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On Neighborhood Dimension of Prime Graph PG2(Z2npm)

Mozhgan Taghidoust Laskukalaye, Mona Gholamnia Taleshani, Ahmad Abbasi
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Vol. 19, No. 6, (2025)

Evaluating the Efficiency of DMUs with Uncertain Data and Minimized Undesirable Outputs using Belief Degree

Jafar Pourmahmod, Samaneh Radfar, Alireza Ghaffari-Hadigheh
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Alternative Neutral Secondary Goals for Cross-Efficiency Evaluation

Masomeh Abbasi, Abbas Ghomashi, Saeid Shahghobadi, Farhad Moradi
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Numerical solution for 2D-VOFOCPs by Ritz method and Gegenbauer Operational Matrix

Farzaneh Soufivand
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Generalized Viral Infection Model with Caputo Fractional Derivative, Cure Rate and Humoral Immunity

Vahid Roomi, Tohid Kasbi Gharahasanlou, Awat Rasouli
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Generalized Volterra-type operators from Hardy space into iterated weighted-type ‎spaces

Ebrahim ‎Abbasi, Daryoush ‎Molaei, Ali Ebrahimi‎
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Solutions of Pexiderized Functional Equation on Restricted Domain

Sadegh Izadi, Sedigheh Jahedi, Mehdi Dehghanian
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