International Journal of Mathematics and Mathematical Sciences

1978 - 2025

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Volume 2023, month June, 2023

Tangent Hyperbolic Fluid Flow under Condition of Divergent Channel in the Presence of Porous Medium with Suction/Blowing and Heat Source: Emergence of the Boundary Layer pp. 1-14

Sushila Choudhary, Prasun Choudhary and Balachandra Pattanaik

Estimation of Finite Population Mean under Probability-Proportional-to-Size Sampling in the Presence of Extreme Values pp. 1-5

Richard Ayinzoya and Dioggban Jakperik

Volume 2023, month 12, 2023

Horadam Polynomials and a Class of Biunivalent Functions Defined by Ruscheweyh Operator pp. 1-7

Waleed Al-Rawashdeh and Teodor Bulboaca

Improved Finite Difference Technique via Adomian Polynomial to Solve the Coupled Drinfeld’s–Sokolov–Wilson System pp. 1-14

Israa Th. Younis, Ekhlass S. Al-Rawi and Chin-Chia Wu

A Numerical Approach for Diffusion-Dominant Two-Parameter Singularly Perturbed Delay Parabolic Differential Equations pp. 1-17

Solomon Woldu Worku, Gemechis File Duressa and Hans Engler

The Fuzzy Prime Spectrum of Partially Ordered Sets pp. 1-11

Derso Abeje Engidaw, Gezahagne Mulat Addis, Wondwosen Zemene Norahun, Dereje Kifle Boku, Habtu Bayafers Demrew, Tewodros Argachew Degefa and Fernando Bobillo

Volume 2023, month 11, 2023

Extraction Algorithm of HOM–LIE Algebras Based on Solvable and Nilpotent Groups pp. 1-9

Shadi Shaqaqha, Nadeen Kdaisat and Abdul Rauf Khan

On Properties of Graded Rings with respect to Group Homomorphisms pp. 1-7

Azzh Saad Alshehry, Rashid Abu-Dawwas, Muhsen Al-Bashayreh and Maria A. Lledo

Volume 2023, month 10, 2023

Some Inequalities Involving the Derivative of Rational Functions pp. 1-8

Arnisa Rasri, Jiraphorn Somsuwan Phanwan and Narendra K. Govil

Volume 2023, month 9, 2023

Censoring Balancing Functions for Undetected Probably Significant Effects in Cox Regression pp. 1-8

Ildephonse Nizeyimana, George Otieno Orwa, Michael Arthur Ofori, Samuel Musili Mwalili and Niansheng Tang

Unique Common Fixed Points for Expansive Maps pp. 1-14

Hadeel Z. Alzumi, Hakima Bouhadjera, Mohammed S. Abdo and Nawab Hussain

Volume 2023, month 09, 2023

On Parametric and Matrix Solutions to the Diophantine Equation x2+dy2−z2=0 Where d Is a Positive Square†Free Integer pp. 1-18

James D. Shaw, James Guyker and Sergejs Solovjovs

Volume 2023, month 7, 2023

Nth Composite Iterative Scheme via Weak Contractions with Application pp. 1-7

Tariq Qawasmeh, Anwar Bataihah, Khalaf Bataihah, Ahmad Qazza, Raed Hatamleh and Seppo Hassi

Prediction of the Stock Prices at Uganda Securities Exchange Using the Exponential Ornstein–Uhlenbeck Model pp. 1-8

Juma Kasozi, Erina Nanyonga, Fred Mayambala and Jewgeni Dshalalow

Volume 2023, month 6, 2023

Global Asymptotic Stability of Nonlinear Strict Feedback System via Backstepping Control Approach pp. 1-12

Suka Garagara Kinwi, Stephen Ekwueme Aniaku, Christopher Chukwuma Asogwa, Emmanuel Chukwudi Mbah and Niansheng Tang

Mve—Polynomial of Cog-Special Graphs and Types of Fan Graphs pp. 1-13

Kavi B. Rasool, Payman A. Rashed, Ahmed M. Ali and Abdul Rauf Khan

On Minimum Generalized Degree Distance Index of Cyclic Graphs pp. 1-5

Nadia Khan, M. Javaid, M. K. Aslam, Mamo Abebe Ashebo and Bikash Koli Dey

Volume 2023, month 5, 2023

Stability Conditions for a Nonlinear Time Series Model pp. 1-10

Anas S. Youns, Salim M. Ahmad and Niansheng Tang

The Intersection Multiplicity of Intersection Points over Algebraic Curves pp. 1-13

Kailing Lai, Fanning Meng, Huanqi He and Kaiming Zhao

Connected ϵ-Chainable Sets and Existence Results pp. 1-9

Samir Kumar Bhandari, Sumit Chandok, Bishnupada Jana, Radha Binod Das and Nawab Hussain

Volume 2023, month 4, 2023

Analysis of Turberculosis-COVID-19 Coinfection Using Fractional Derivatives pp. 1-14

Samuel Okyere, Joseph Ackora-Prah, Saleem Abdullah, Samuel Akwasi Adarkwa, Frank Kofi Owusu, Kwame Bonsu, Mary Osei Fokuo, Mary Ann Yeboah and Remi Léandre

Volume 2023, month 3, 2023

Equivalence for Various Forms of Quadratic Functional Equations and Their Generalized Hyers–Ulam–Rassias Stability pp. 1-15

Ravinder Kumar Sharma, Sumit Chandok and Bikash Koli Dey

Effects of Thermal Radiation and Chemical Reaction on Hydromagnetic Fluid Flow in a Cylindrical Collapsible Tube with an Obstacle pp. 1-15

Nictor Mwamba, Jeconia Okelo Abonyo, Kennedy Otieno Awuor and Saranya Shekar

The Characteristic of the Minimal Ideals and the Minimal Generalized Ideals in Rings pp. 1-5

Rigena Sema, Petraq Petro, Kostaq Hila and Nadeem Ur Rehman

Efficient Blocked Fractional Factorial Designs for Stated Choice Experiments of Size Two and Four pp. 1-13

Emmanuel Amoah, Jakperik Dioggban, Adjabui Michael Jackson and Sergey Evgenievich Barykin

A Parameter-Uniform Numerical Scheme for Solving Singularly Perturbed Parabolic Reaction-Diffusion Problems with Delay in the Spatial Variable pp. 1-17

Ababi Hailu Ejere, Gemechis File Duressa, Mesfin Mekuria Woldaregay, Tekle Gemechu Dinka and Birendra Nath Mandal

Volume 2023, month 2, 2023

Jordan–Schur Algorithms for Computing the Matrix Exponential pp. 1-17

Petko H. Petkov and Chin-Chia Wu

Effects of Chemical Reaction and Joule Heating on MHD Generalized Couette Flow between Two Parallel Vertical Porous Plates with Induced Magnetic Field and Newtonian Heating/Cooling pp. 1-14

Jumanne Mng’ang’a and Saranya Shekar

Modeling and Fitting Two-Way Tables Containing Outliers pp. 1-6

David L. Farnsworth and Niansheng Tang

Volume 2023, month 1, 2023

On the Construction of Traveling Water Waves with Constant Vorticity and Infinite Boundary pp. 1-6

Pawan Shrestha, Durga Jang Kc, Ramjee Sharma and Saranya Shekar

Ranking the Return on Assets of Tehran Stock Exchange by a New Method Based on Z-Numbers Data pp. 1-14

Maryam Farzam, Mozhdeh Afshar Kermani, Tofigh Allahviranloo, Azim Aminataei and Chin-Chia Wu

Primal Topologies on Finite-Dimensional Vector Spaces Induced by Matrices pp. 1-7

Luis Mejías, Jorge Vielma, à ngel Guale, Ebner Pineda and Sergejs Solovjovs

Volume 2022, month 12, 2022

Cyber Loss Distribution Fitting: A General Framework towards Cyber Bonds and Their Pricing Models pp. 1-20

Oleg Kolesnikov, Alexander Markov, Daulet Smagulov, Sergejs Solovjovs and Niansheng Tang

Solving Multispecies Lotka–Volterra Equations by the Daftardar-Gejji and Jafari Method pp. 1-7

Belal Batiha, Firas Ghanim, O. Alayed, Ra’ed Hatamleh, Ahmed Salem Heilat, Hamzeh Zureigat, Omar Bazighifan and Attila Gil Nyi

Volume 2022, month 11, 2022

Reflection of Plane Waves in Nonlocal Fractional-Order Thermoelastic Half Space pp. 1-11

Surbhi Sharma, Sangeeta Kumari and Birendra Nath Mandal

Permanents of Hexagonal and Armchair Chains pp. 1-6

O. Nekooei, H. Barzegar, A. R. Ashrafi and Anwar Saleh Alwardi

Multiplicity Results for Weak Solutions of a Semilinear Dirichlet Elliptic Problem with a Parametric Nonlinearity pp. 1-19

Ayékotan Messan Joseph Tchalla, Kokou Tcharie and Nawab Hussain

Volume 2022, month 10, 2022

Extended Newton-type Method for Nonsmooth Generalized Equation under n,α-point-based Approximation pp. 1-17

M. Z. Khaton, M. H. Rashid and Attila Gil Nyi

Affine Magic Cubes of Order 4: Concepts and Applications pp. 1-9

Siriyakorn Duangmoon, Praphon Kanokladarom, Suchada Pongprasert, Thitarie Rungratgasame, Natsima Srithaisong and Nawab Hussain

The Bifurcation Curves of a Category of Dirichlet Boundary Value Problems pp. 1-11

Huizeng Qin, Youmin Lu and Fernando Bobillo

Chemical Reaction and Generalized Heat Flux Model for Powell–Eyring Model with Radiation Effects pp. 1-11

Faisal Salah and Chin-Chia Wu

Mathematical Model Analysis on the Diffusion of Violence pp. 1-11

Birhanu Baye Terefe and Theodore E. Simos

Numerical Study of an Euler-Bernoulli Beam Stabilization Controlled in Displacement and Velocity pp. 1-8

Yeo Brahima, Dakouri Narcisse, Adou Jérôme and Birendra Nath Mandal

Generalized Fubini Apostol-Type Polynomials and Probabilistic Applications pp. 1-12

Rabab S. Gomaa, Alia M. Magar and Theodore E. Simos

Volume 2022, month 9, 2022

The Metric Chromatic Number of Zero Divisor Graph of a Ring Zn pp. 1-4

Husam Qasem Mohammad, Shaymaa Haleem. Ibrahem, Luma Ahmed Khaleel and Aloys Krieg

â„’-Fuzzy Cosets of â„’-Fuzzy Filters of Residuated Multilattices pp. 1-14

Pierre Carole Kengne, Blaise Bleriot Koguep Njionou, Daquin Cèdric Awouafack, Luc Eméry Diékouam Fotso and Frederic Mynard

Daubechies Wavelet Scaling Function Approach to Solve Volterra’s Population Model pp. 1-8

Amjad Alipanah, Korosh Arzideh, Medina Firouzi, A. Kasnazani and Marianna A. Shubov

On Faithful Matrix Representations of q-Deformed Models in Quantum Optics pp. 1-8

Latif A -M. Hanna, Abdullah Alazemi, Anwar Al-Dhafeeri and Maria A. Lledo

Fuzzy Ideals in Pseudo-Hoop Algebras pp. 1-10

Teferi Getachew Alemayehu and Maria A. Lledo

Comparing the Linear and Quadratic Discriminant Analysis of Diabetes Disease Classification Based on Data Multicollinearity pp. 1-11

Autcha Araveeporn and Niansheng Tang

On a Predator-Prey Model Involving Age and Spatial Structure pp. 1-23

Okana S. Sougué, Oumar Traoré and Harvinder S. Sidhu

The Effectiveness of the MGK Measure against the Odds Ratio in the Epidemiological Study pp. 1-12

Bruce Masonova Solozafy Bemena, André Totohasina, Daniel Rajaonasy Feno and Chin-Chia Wu

Harmonic Mixture Fréchet Distribution: Properties and Applications to Lifetime Data pp. 1-20

Selasi Kwaku Ocloo, Lewis Brew, Suleman Nasiru, Benjamin Odoi and Jewgeni Dshalalow

t-Intuitionistic Fuzzy Structures on PMS-Ideals of a PMS-Algebra pp. 1-13

Beza Lamesgin Derseh, Berhanu Assaye Alaba, Yohannes Gedamu Wondifraw and Sergejs Solovjovs

Actuarial Measures, Regression, and Applications of Exponentiated Fréchet Loss Distribution pp. 1-17

Abdul Ghaniyyu Abubakari and Chin-Chia Wu

Volume 2022, month 8, 2022

A Note on Constant Mean Curvature Foliations of Noncompact Riemannian Manifolds pp. 1-4

S. Ilias, B. Nelli, M. Soret and Luca Vitagliano

Bayesian Approach for Confidence Intervals of Variance on the Normal Distribution pp. 1-15

Autcha Araveeporn and Niansheng Tang

Shadow Price Approximation for the Fractional Black Scholes Model pp. 1-10

Dolemweogo Sibiri Narcisse, Béré Frédéric, Nitiéma Pierre Clovis and Jewgeni Dshalalow

Impact of Using Double Positive Samples in Deming Regression pp. 1-8

Samuel Akwasi Adarkwa, Frank Kofi Owusu, Samuel Okyere and Niansheng Tang

A Stochastic Approach to Modeling Food Pattern pp. 1-9

Komla Elom Adedje, Diakarya Barro and Chin-Chia Wu

Sine-Weibull Geometric Mixture and Nonmixture Cure Rate Models with Applications to Lifetime Data pp. 1-13

Irene Dekomwine Angbing, Suleman Nasiru, Dioggban Jakperik and Niansheng Tang

Volume 2022, month 7, 2022

A Nonstandard Fitted Operator Method for Singularly Perturbed Parabolic Reaction-Diffusion Problems with a Large Time Delay pp. 1-11

Awoke Andargie Tiruneh, Getachew Adamu Derese, Dagnachew Mengstie Tefera and Palle Kiran

Approximate Solution of the Fractional Order Sterile Insect Technology Model via the Laplace–Adomian Decomposition Method for the Spread of Zika Virus Disease pp. 1-24

William Atokolo, Remigius Okeke Aja, Stephen Ekwueme Aniaku, Ifeanyi Sunday Onah, Godwin C. E. Mbah and Chin-Chia Wu

A Note about Young’s Inequality with Different Measures pp. 1-8

Saba Mehmood, Eridani Eridani, Fatmawati Fatmawati and Nawab Hussain

Roll of Newtonian and Non-Newtonian Motion in Analysis of Two-Phase Hepatic Blood Flow in Artery during Jaundice pp. 1-10

Abha Singh, Rizwan Ahmad Khan, Sumit Kushwaha, Tahani Alshenqeeti and Chin-Chia Wu

Newton Linearization of the Curvature Operator in Structured Grid Generation with Sample Solutions pp. 1-20

Pat Piperni, Maahi M. Talukder and Nawab Hussain

Using the Logistic Map as Compared to the Cubic Map to Show the Convergence and the Relaxation of the Period–1 Fixed Point pp. 1-7

Patrick Akwasi Anamuah Mensah, William Obeng-Denteh, Ibrahim Issaka, Kwasi Baah Gyamfi, Joshua Kiddy K. Asamoah and Harvinder S. Sidhu

Volume 2022, month 6, 2022

On State Ideals and State Relative Annihilators in De Morgan State Residuated Lattices pp. 1-14

Francis Woumfo, Blaise Bleriot Koguep Njionou, Etienne Romuald Temgoua Alomo, Celestin Lele and Sergejs Solovjovs

Geometric Brownian Motion-Based Time Series Modeling Methodology for Statistical Autocorrelated Process Control: Logarithmic Return Model pp. 1-10

Siaw Li Lee, Chin Ying Liew, Chee Khium Chen, Li Li Voon and Theodore E. Simos

Dividing the Perimeter of a Triangle into Unequal Proportions pp. 1-8

Nawinda Amadtohed, Thitipon Chaidee, Phonthakorn Racha-in, Thunwa Theerakarn and Vladimir Mityushev

On the Inequality Theorem for a Wider Class of Analytic Functions with Hadamard Product pp. 1-6

Ma’moun I. Y. Alharayzeh, Maslina Darus and Teodor Bulboaca

Chromatic Polynomial of Intuitionistic Fuzzy Graphs Using α,β-Levels pp. 1-7

V. N. SrinivasaRao Repalle, Lateram Zawuga Hordofa, Mamo Abebe Ashebo and V. Ravichandran

Space-Time Trend Detection and Dependence Modeling in Extreme Event Approaches by Functional Peaks-Over-Thresholds: Application to Precipitation in Burkina Faso pp. 1-12

Sawadogo Béwentaoré, Diakarya Barro and Harvinder S. Sidhu

Volume 2022, month 5, 2022

Inference on the Beta Type I Generalized Half Logistic Distribution under Right-Censored Observation with Application to COVID-19 pp. 1-13

Phillip Oluwatobi Awodutire, Ethelbert Chinaka Nduka, Maxwell Azubike Ijomah, Oluwatosin Ruth Ilori, Oluwafemi Samson Balogun and Niansheng Tang

Investigation of Aerodynamic Characteristics of Aircrafts in a Rarefied Gas Flow Using the Moment Method pp. 1-20

Auzhan Sakabekov, Saltanat Madaliyeva, Ryskul Yergazina and Vladimir Mityushev

A Necessary and Sufficient Condition for k=ℚ4n 2+1 to Have Class Number ωn+c pp. 1-4

Ahmad Issa, Hasan Sankari and Aloys Krieg

A Mathematical Model of Transmission Dynamics of SARS-CoV-2 (COVID-19) with an Underlying Condition of Diabetes pp. 1-15

Samuel Okyere, Joseph Ackora-Prah and Shih Pin Chen

Dynamics of Terrorism in Contemporary Society for Effective Management pp. 1-15

Kazeem Babatunde Akande, Julius Adebowale Makinde, Mohammed Olanrewaju Ibrahim and Harvinder S. Sidhu

Volume 2022, month 4, 2022

Performance Comparison of New Adjusted Min-Max with Decimal Scaling and Statistical Column Normalization Methods for Artificial Neural Network Classification pp. 1-9

Saichon Sinsomboonthong and Birendra Nath Mandal

The Prime Filter Theorem for Multilattices pp. 1-5

Daquin Cédric Awouafack, Blaise Blériot Koguep Njionou, Célestin Lélé and Frederic Mynard

A Method of Two New Augmented Lagrange Multiplier Versions for Solving Constrained Problems pp. 1-6

Hamsa Th. Saeed Chilmeran, Eman T. Hamed, Huda I. Ahmed, Abbas Y. Al-Bayati and Frank Werner

Volume 2022, month 3, 2022

Implementation of Discourse Network Analysis Related to News regarding PT Pertamina's Consumer Needs, Satisfaction, and Engagement pp. 1-11

Adji Achmad Rinaldo Fernandes, Solimun Solimun, Lailil Muflikhah and Chin-Chia Wu

Numerical Solution of In-Viscid Burger Equation in the Application of Physical Phenomena: The Comparison between Three Numerical Methods pp. 1-11

Kedir Aliyi Koroche and Niansheng Tang

A Survey on Public Key Encryption with Keyword Search: Taxonomy and Methods pp. 1-10

M.H. Noorallahzade, R. Alimoradi, A. Gholami and Ram N. Mohapatra

Controlled Frame for Operator in Hilbert c∗-Modules pp. 1-8

Hatim Labrigui, Abdeslam Touri, Mohamed Rossafi, Samir Kabbaj and Sumit Chandok

A Mathematical Model for the Growth Dynamics of Demand in the Fashion Industry within the Era of the COVID-19 Pandemic pp. 1-21

John Awuah Addor, Anthony Joe Turkson, Douglas Yenwon Kparib and Theodore E. Simos

Estimating System Reliability Using Neoteric and Median RSS Data for Generalized Exponential Distribution pp. 1-17

Amal S. Hassan, Rasha S. Elshaarawy, Ronald Onyango, Heba F. Nagy and Nawab Hussain

The Hermite–Hadamard–Mercer Type Inequalities via Generalized Proportional Fractional Integral Concerning Another Function pp. 1-20

Tariq A. Aljaaidi, Deepak B. Pachpatte and Ram N. Mohapatra

Efficiency Comparison of New Adjusted Nonparametric and Parametric Statistics Interval Estimation Methods in the Simple Linear Regression Model pp. 1-16

Saichon Sinsomboonthong, Juthaphorn Sinsomboonthong and Niansheng Tang

A Numerical Study on Newtonian Heating Effect on Heat Absorbing MHD Casson Flow of Dissipative Fluid past an Oscillating Vertical Porous Plate pp. 1-16

B. Prabhakar Reddy, L. Joseph Sademaki and Hans Engler

Volume 2022, month 2, 2022

On the Use of Elzaki Decomposition Method for Solving Higher-Order Integro-Differential Equations pp. 1-8

Ekhlass S. Al-Rawi, Merna A. Samarchi and Shyam L. Kalla

A Fitted Mesh Cubic Spline in Tension Method for Singularly Perturbed Problems with Two Parameters pp. 1-11

Tariku Birabasa Mekonnen, Gemechis File Duressa and Niansheng Tang

Biharmonic Curves in a Strict Walker 3-Manifold pp. 1-6

Mamadou Gningue, Ameth Ndiaye, Rénovat Nkunzimana and Ildefonso Castro

A New Generalized Fractional-Order Derivative and Bifurcation Analysis of Cholera and Human Immunodeficiency Co-Infection Dynamic Transmission pp. 1-15

Kumama Regassa Cheneke, Koya Purnachandra Rao, Gereme Kenassa Edesssa and Harvinder S. Sidhu

Generalized Mandelbrot Sets of a Family of Polynomials Pnz=zn+z+c;n≥2 pp. 1-9

Salma M. Farris and Jewgeni Dshalalow

Volume 2022, month 1, 2022

Radio and Radial Radio Numbers of Certain Sunflower Extended Graphs pp. 1-9

Mohammed K. A. Kaabar, Kins Yenoke and Niansheng Tang