International Journal of Mathematics and Mathematical Sciences

1978 - 2025

Continued by International Journal of Mathematics and Mathematical Sciences.

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Volume 2025, month 10, 2025

Performance Comparison of Various Imputation Methods for Missing Data Mechanisms (MAR, MCAR, and MNAR) in a Nonstationary Time Series pp. 1-16

Chantha Wongoutong

Comparative Analysis and Practical Applications of Cubic Transmutations for the Pareto Distribution pp. 1-18

Edoh Katchekpele, Issa Cherif Geraldo and Tchilabalo Abozou Kpanzou

Collective Aggregation Model Based on the Hybridization of the EVAMIX Method and the VMAVA+ Voting Method pp. 1-22

Zoïnabo Savadogo and Hadarou Yiogo

Numerical Simulation of Unsteady 2D Boundary Layer Flow and Heat Transfer Over a Flat Surface Using the Finite Volume Method With a Collocated Grid pp. 1-17

Endalew Getnet Tsega

Volume 2025, month 9, 2025

Mathematical Model of the Waste Plastic Management via ABC Fractional Order Derivative pp. 1-20

Rajagopalan Ramaswamy, Gunaseelan Mani, Sugapriya Palanisamy and Ozgur Ege

On Some Subspace Codiskcyclic Operators in Banach Spaces pp. 1-8

Peter Masong Slaa, Santosh Kumar and Marco Mpimbo

The Exact Solutions of the Fractional Partial Differential Equations Using the Fractional Prabhakar Power Series Method pp. 1-26

Isaac Addai, Benedict Barnes, Isaac Kwame Dontwi and Kwaku Forkuoh Darkwah

A Fitted Linear Multistep Approach for Singularly Perturbed Parabolic-Type Reaction–Diffusion Problems Using Shishkin Meshes pp. 1-16

Amare Worku Demsie, Awoke Andargie Tiruneh and Endalew Getnet Tsega

Modelling of Risk Process With Expense-Augmented Loss Under Economic Factors and Its Application to Aggregated General Insurance Data in Kenya pp. 1-16

Calvine Odiwuor, Mwaniki Joseph, Ngare Philip and Simwa Richard

Hybrid Fitted Mesh Strategy for Singularly Perturbed Time-Dependent Convection-Diffusion Problems Featuring Boundary Turning Points pp. 1-17

Yimesgen Mehari Kebede, Awoke Andargie Tiruneh and Endalew Getnet Tsega

On the Finite Meijer G-Transformation: Orthogonality, Operational Calculus, and Function Space Analysis pp. 1-12

Yashonanda Maurya and V. R. Lakshmi Gorty

Estimating DNA Sequence Similarities Using Spectral Distance pp. 1-7

Nada M. Abd and Shatha A. Salman

Volume 2025, month 8, 2025

The Dynamical Analysis of Food-Web System With a Group Defense and Antipredator Property pp. 1-34

Rasha Ali Hamodi, Karrar Qahtan Al-Jubouri, Reem Mudar Hussien and Raid Kamel Naji

The Euler Characteristic of the Fiber Product of Morse Functions on Grassmannians pp. 1-6

Yasuhiko Kamiyama

A Class of Solitary and Periodic Wave Structures Related to a Dual-Mode Benjamin-Bona-Mahony Equation in Fluid Flow pp. 1-19

Saima Arshed, Minal Irshad, Mustafa Bayram, Nauman Raza and Sina Etemad

Convective and Radiative Heat Transfer Analysis in a Three-Step Exothermic Chemical Reaction: Case Study—Methane Combustion pp. 1-10

Ramoshweu Solomon Lebelo and Tranos Zuva

Handling Imprecise Climate Information: A Neutrosophic Generalized Estimator Under Stratified Ranked Set Sampling for Population Mean pp. 1-23

Anamika Kumari, Abhishek Singh and Vishwajeet Singh

Bounds on Riesz Means of the Eigenvalues for Baouendi–Grushin Type Operators pp. 1-13

Alaa Aljahili and Ari Laptev

Volume 2025, month 7, 2025

On the Bayesian Estimation of Synthesized Randomized Response Techniques for Obtaining Sensitive Information pp. 1-20

Olusegun S. Ewemooje, Isaac O. Adeniyi, Femi B. Adebola and Wilford B. Molefe

Solving Generalized Hill’s and Meissner’s Equations by a Semianalytical Technique pp. 1-16

Asifa Tassaddiq, Sania Qureshi, Javed Rehman Larik, Amanullah Soomro, Fozia Shaikh, Evren Hincal and Kwara Nantomah

Condensing Operators in Busemann Convex Metric Spaces With Applications to Hammerstein Integral Equations pp. 1-14

A. Pradhan, M. Gabeleh, D. K. Patel and S. P. Moshokoa

On Introduction to q1,q2-Linear Diophantine Fuzzy Sets and Their Applications pp. 1-22

Muhammad Bilal Khan, Adrian Marius Deaconu, Javad Tayyebi, Bandar Bin-Mohsin, Loredana Ciurdariu, Miguel Vivas Cortez and Nurnadiah Zamri

The Property EA and Local Spectral Theory pp. 1-7

Elvis Aponte, Lourival Lima and José Sanabria

A Note on Anti-De Sitter Spaces as G-Manifolds pp. 1-6

Jafar Ebrahimi and Reza Mirzaie

Volume 2025, month 6, 2025

Local Bifurcation and Global Stability of Two-Prey-One-Predator Model pp. 1-18

Hanaa Jamal Ahmed, Kawther Yusuf Abdulrahman, Karzan Abdulrahman Hamzah and Arkan Nawzad Mustafa

Non-Newtonian Evolutoids and Pedaloids of Multiplicative Plane Curves pp. 1-19

Xinyu Yao and Haiming Liu

A Generalized Continuous Bernoulli Distribution: Statistical Properties, Methods of Estimation, and Applications pp. 1-19

Jacob C. Ehiwario, Simon A. Ogumeyo, Selasi K. Ocloo, John N. Igabari and Festus C. Opone

Controlled Metric Space and Fixed Point Theorems for Jaggi–Suzuki–Type Hybrid Contraction pp. 1-15

Swati Parashar, Manoj Kumar, Pankaj Kumar and Rahul Shukla

On Restricted Detour Median of Special Graphs pp. 1-9

Rasha S. Hasan, Haitham N. Mohammed and Ahmed M. Ali

Volume 2025, month 5, 2025

Deleting Values May Either Increase or Decrease Variance pp. 1-5

David L. Farnsworth

Topological Sequences Connected With Inverse Graphs of Finite Flexible Weak Inverse Property Quasigroups: An Approach From Polynomials to Machine Learning pp. 1-25

Faizah D. Alanazi

Local Bifurcation and Global Stability of an Eco-Epidemiological Model Incorporating Fear Effect and Prey Harvesting pp. 1-15

Sozan Fuad Aziz, Hanaa Jamal Ahmed, Saiwan Majeed Fatah and Arkan Nawzad Mustafa

Inclusion Theorems of Certain Integral Transform Related to Normalized Hypergeometric Functions and Generalized Bessel Functions pp. 1-15

Manas Kumar Giri and Raghavendar K.

A New Generating Function for Hermite Polynomials pp. 1-7

Manouchehr Amiri

Characterization of Diophantine Equations a+y2=z2, Pythagorean n-Tuples, and Algebraic Structures pp. 1-19

Roberto Amato

Series and Rational Solutions of the Second Kind Painlevé Equations by Using the Quantum Pseudospectral Method pp. 1-10

Saeid Abbasbandy

Local Metric and Partition Resolvability of Graphs With Applications pp. 1-8

Kamran Azhar, Asim Nadeem and Yilun Shang

On Weakly 2-Invo Clean Rings With Some Properties in Graph Theory pp. 1-11

Salim Ghadeer Salim, Raida Dawood Mahmood and Ahmed Mohammed Ali

On the Generalized Class of Multivariable Humbert-Type Polynomials pp. 1-11

B. B. Jaimini, Meenu, S. D. Purohit and D. L. Suthar

Approximate Solutions for the Differential Equations by Using the Nonconformable Fractional Sumudu Transform pp. 1-11

Shams A. Ahmed, Mohammed G. S. Al-Safi and Tarig M. Elzaki

New Numerical Solutions for Caputo–Fabrizio Fractional Differential Multidimensional Diffusion Problems pp. 1-21

Yasin Åžahin and Mehmet Merdan

Parameter Constraints and Real Structures in Quadratic Semicomplete Vector Fields on C3 pp. 1-27

Daniel de la Rosa Gómez

Volume 2025, month 4, 2025

A Fractional Order Model for HIV/AIDS With Treatment and Optimal Control Using Caputo Derivative pp. 1-23

Abdul-Aziz Hussein and Benyam Mebrate

Certain Constraints for Functions Provided by Touchard Polynomials pp. 1-8

Tariq Al-Hawary, Mohamed Illafe and Feras Yousef

A Characterization of Affine Primal Topological Spaces Induced by Nilpotent Matrices pp. 1-8

Ebner Pineda, Luis Mejías and Jorge Vielma

Lower Bound for the Class Number of Q49m2+4m pp. 1-4

Rahaf Jihny, Boushra Darrag and Ahmad Issa

Solution to Initial-Boundary Value Problem for the Heat Conductivity Equation With a Discontinuous Coefficient and General Conjugation Conditions pp. 1-9

Umbetkul Кoilyshov, Makhmud Sadybekov and Кulnyar Beisenbayeva

Lie Symmetry Analysis of a Nonlinear Black–Scholes Equation in Illiquid Markets pp. 1-9

Winter Sinkala

New Constructions and Necessary Conditions for 4-GDDs With Block Size 5 pp. 1-9

Dinkayehu M. Woldemariam and D. G. Sarvate

Harmonic-Arithmetic Index: Lower Bound for n-Order Trees With Fixed Number of Pendant Vertices and Monogenic Semigroup for Graph Operations pp. 1-17

Kalpana R. and Shobana L.

Volume 2025, month 3, 2025

Forecasting Temperature Time Series Data Using Combined Statistical and Deep Learning Methods: A Case Study of Nairobi County Daily Temperature pp. 1-20

John Kamwele Mutinda, Amos Kipkorir Langat and Samuel Musili Mwalili

Addressing Various Strategies for Combating the Leaf-Roll Virus in Potato Plants pp. 1-20

S. A. Alharbi, Hegagi M. Ali, Essam M. Elsaid, Mohamed R. Eid and W. S. Hassanin

Selection of an Optimal Warehouses Using Global Regular Domination in Graphs pp. 1-8

R. Sundareswaran, M. Shanmugapriya, Ammar Alsinai, N. Venkataraman, V. Swaminathan and Hanan Ahmed

On the Hub Number of Ring Graphs and Their Behavior Under Graph Operations pp. 1-11

Mohammed Alsharafi, Haifa Ahmed and Saad Tobaili

On the Double Sequence Space HÏ‘ as an Extension of Hahn Space h pp. 1-12

Orhan Tuǧ, Eberhard Malkowsky, Vladimir Rakoćević and Taja Yaying

A New Approach of Graphical Presentation in C∗-Algebra-Valued b-Metric Spaces With an Application pp. 1-14

Faiz Ullah, Mohammed M. M. Jaradat, Saif Ur Rehman and Sidra Akbar

A Partial Solution to an Open Problem on Super Edge-Magic Total Labelings of 4,3-Cycle Books Graphs pp. 1-9

Baki Swita, Rupmana Br Butar-Butar, Dea Cahya Pramesti, Noni Febriyan, Dara Puspita, Novi Siska Safitri, Lola Azhari and Mudin Simanihuruk

Derivations and Extensions in JC-Algebras pp. 1-9

Fatmah B. Jamjoom and Doha A. Abulhamail

Volume 2025, month 03, 2025

Characterizing Ï•Ric-Vector Fields and Quasi-Einstein Manifolds on Multiply Warped Product Manifolds pp. 1-11

Moctar Traore, Ameth Ndiaye and Mansour Sane

Volume 2025, month 02, 2025

Mathematical Simulation of Optimal Control Measures to Avoid Chickenpox Infection pp. 1-19

Nada A. Almuallem, Hegagi Mohamed Ali, Essam M. Elsaid, Mohamed R. Eid and W. S. Hassanin

Volume 2025, month 2, 2025

Fitted Operator Method for Singularly Perturbed Delay Parabolic Problems With Boundary Turning Points pp. 1-15

Yimesgen Mehari Kebede, Awoke Andargie Tiruneh and Endalew Getnet Tsega

Volume 2025, month 1, 2025

Spectral Decomposition of the Weinstein Laplacian and Its Application to the Associated Heat Transform pp. 1-16

Abdelilah El Mourni, Nour Eddine Askour and Imane El Yazidi

A New q-Integral Operator Containing Generalized q-Mittag-Leffler Function pp. 1-16

Mulugeta Dawud Ali and D. L. Suthar