International Journal of Mathematics and Mathematical Sciences

1978 - 2025

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Volume 2021, month 12, 2021

An Iterative Method for Solving Split Monotone Variational Inclusion Problems and Finite Family of Variational Inequality Problems in Hilbert Spaces pp. 1-17

Wanna Sriprad, Somnuk Srisawat and Narendra K. Govil

Dynamical Modelling of Bone Formation and Resorption under Impulsive Estrogen Supplement: Effects of Parathyroid Hormone and Prolactin pp. 1-17

Supassorn Aekthong, Chontita Rattanakul and Hernando Quevedo

Multivalent Functions Related with an Integral Operator pp. 1-13

Syed Ghoos Ali Shah, Saqib Hussain, Saima Noor, Maslina Darus, Ibrar Ahmad and Teodor Bulboaca

On the Determinants of the Square-Type Stirling Matrix and Bell Matrix pp. 1-13

Eunmi Choi, Jiin Jo and Aloys Krieg

Neighborhoods and Manifolds of Immersed Curves pp. 1-22

Andrea C. G. Mennucci and Luca Vitagliano

Catalan Transform of k-Balancing Sequences pp. 1-6

Asim Patra, Mohammed K. A. Kaabar and Sergejs Solovjovs

Some Random Fixed-Point Theorems for Weakly Contractive Random Operators in a Separable Banach Space pp. 1-12

Kenza Benkirane, Abderrahim EL Adraoui, El Miloudi Marhrani and Nawab Hussain

The Mechanical Behavior of a Multispring System Revealing Absurdity in the Relativistic Force Transformation pp. 1-8

Mohammad Javanshiry and Theodore E. Simos

Volume 2021, month 11, 2021

Output Reachable Set Analysis for Periodic Positive Systems pp. 1-6

Ilyas Sitli, Fouad Lahmidi, Abdelwahed Namir, Mouhcine Naim and Hernando Quevedo

Direction Curves Associated with Darboux Vectors Fields and Their Characterizations pp. 1-11

Nidal Echabbi, Amina Ouazzani Chahdi and Ricardo Estrada

Relative Gottlieb Groups of Embeddings between Complex Grassmannians pp. 1-7

J. B. Gatsinzi and Luca Vitagliano

The Log-Asset Dynamic with Euler–Maruyama Scheme under Wishart Processes pp. 1-15

Raphael Naryongo, Philip Ngare, Anthony Waititu and Remi Léandre

Application of a New Generalized Fractional Derivative and Rank of Control Measures on Cholera Transmission Dynamics pp. 1-9

Kumama Regassa Cheneke, Koya Purnachandra Rao, Geremew Kenassa Edessa and Vladimir Mityushev

On the Motion of Two Microspheres in a Stokes Flow Driven by an External Oscillator Field pp. 1-9

Mohammed M. Al-Hatmi, Anton Purnama and Remi Léandre

Volume 2021, month 10, 2021

Inverse Problem Related to Boundary Shape Identification for a Hyperbolic Differential Equation pp. 1-12

Fagueye Ndiaye, Idrissa Ly and Remi Léandre

Volume 2021, month 9, 2021

Some Inequalities for the Maximum Modulus of Rational Functions pp. 1-4

Robert Gardner, Narendra Kumar Govil, Prasanna Kumar and Raúl E. Curto

Novel Theorems and Algorithms Relating to the Collatz Conjecture pp. 1-10

Michael R. Schwob, Peter Shiue, Rama Venkat and Fernando Bobillo

New Robust PCA for Outliers and Heavy Sparse Noises’ Detection via Affine Transformation, the L∗,w and L2,1 Norms, and Spatial Weight Matrix in High-Dimensional Images: From the Perspective of Signal Processing pp. 1-9

Peidong Liang, Habte Tadesse Likassa, Chentao Zhang, Jielong Guo and Niansheng Tang

Pricing Multivariate European Equity Option Using Gaussians Mixture Distributions and EVT-Based Copulas pp. 1-9

Abba Mallam Hassane, Barro Diakarya, Yaméogo WendKouni, Saley Bisso and Sergejs Solovjovs

On a Characterization of Convergence in Banach Spaces with a Schauder Basis pp. 1-5

Marat V. Markin, Olivia B. Soghomonian and Atilla Gil Nyi

The Stability of the Model and Simulation, Control Issues for Ship System, Education, and Research pp. 1-8

Nguyen Cong Danh and Niansheng Tang

On the Solutions of Three-Variable Frobenius-Related Problems Using Order Reduction Approach pp. 1-11

Tian-Xiao He, Peter J.-S. Shiue, Rama Venkat and Sonia Perez Diaz

Handling Censoring and Censored Data in Survival Analysis: A Standalone Systematic Literature Review pp. 1-16

Anthony Joe Turkson, Francis Ayiah-Mensah, Vivian Nimoh and Niansheng Tang

A Note on the Stability Analysis of Fuzzy Nonlinear Fractional Differential Equations Involving the Caputo Fractional Derivative pp. 1-6

Ali El Mfadel, Said Melliani, M’hamed Elomari and Remi Léandre

Volume 2021, month 8, 2021

A New Class of Contact Pseudo Framed Manifolds with Applications pp. 1-9

K. L. Duggal and Luca Vitagliano

Radial Radio Number of Hexagonal and Its Derived Networks pp. 1-8

Kins Yenoke, Mohammed K. A. Kaabar, Mohammed M. Ali Al-Shamiri, R. C. Thivyarathi and Hans Engler

A Conjecture on Super Edge-Magic Total Labeling of 4-Cycle Books pp. 1-8

Mudin Simanihuruk, Tri Atmojo Kusmayadi, Baki Swita, Minsi Romala, Friska Damanik and Sergejs Solovjovs

Volume 2021, month 7, 2021

Central Extension of Left Alternative Algebras and the Second Cohomology Group pp. 1-3

Said Boulmane and Sergejs Solovjovs

Fourier Transformation and Stability of a Differential Equation on L1â„ pp. 1-7

Hamid Rezaei, Zahra Zafarasa, Lotfollah Karimi and Theodore E. Simos

Solving Poisson Equation by Distributional HK-Integral: Prospects and Limitations pp. 1-9

Amila J. Maldeniya, Naleen C. Ganegoda, Kaushika De Silva, Sanath K. Boralugoda and Raúl E. Curto

Sequential Truncation of R-Vine Copula Mixture Model for High-Dimensional Datasets pp. 1-14

Fadhah Amer Alanazi and Fernando Bobillo

Modeling the Dependence of Losses of a Financial Portfolio Using Nested Archimedean Copulas pp. 1-14

Wendkouni Yaméogo, Diakarya Barro and Niansheng Tang

Biderivations and Commuting Linear Maps on Topologically Simple ℒ∗-Algebras pp. 1-6

Abdelaziz Ben Yahya and Kaiming Zhao

Volume 2021, month 6, 2021

A Study of Nil Ideals and Kothe’s Conjecture in Neutrosophic Rings pp. 1-5

Mohammad Abobala and Theodore E. Simos

Convergence Theorems for the Variational Inequality Problems and Split Feasibility Problems in Hilbert Spaces pp. 1-7

Panisa Lohawech, Anchalee Kaewcharoen, Ali Farajzadeh and Sergejs Solovjovs

Fuzzy Prime Ideal Theorem in Residuated Lattices pp. 1-8

Pierre Carole Kengne, Blaise Blériot Koguep, Celestin Lele and Marianna A. Shubov

Volume 2021, month 5, 2021

Corrigendum to “Some Properties of Curvature Tensors and Foliations of Locally Conformal Almost Kähler Manifolds†pp. 1-1

Ntokozo Sibonelo Khuzwayo and Fortuné Massamba

Zero Controllability Criterion for Discrete Positive Systems with Multiple Delays on Both States and Inputs pp. 1-5

Mouhcine Naim and Niansheng Tang

Investigation of the Spectral Properties of a Non-Self-Adjoint Elliptic Differential Operator pp. 1-7

Arezoo Ghaedrahmati, Ali Sameripour and Seppo Hassi

Bounded Odd Inverse Pareto Exponential Distribution: Properties, Estimation, and Regression pp. 1-18

Suleman Nasiru, Abdul Ghaniyyu Abubakari, Irene Dekomwine Angbing and Sergejs Solovjovs

Some Generalizations of Frames in Hilbert Modules pp. 1-11

Mohamed Rossafi, Samir Kabbaj and Seppo Hassi

Volume 2021, month 4, 2021

Real Root Polynomials and Real Root Preserving Transformations pp. 1-5

Suchada Pongprasert, Kanyarat Chaengsisai, Wuttichai Kaewleamthong, Puttarawadee Sriphrom and Chin-Chia Wu

Modified Cauchy Problem with Impulse Action for Parabolic Shilov Equations pp. 1-10

Galina Unguryan and Sergejs Solovjovs

A Note on the Difference of Powers and Falling Powers pp. 1-4

Taoufik Sabar and Raúl E. Curto

The Reverse of the Intermediate Value Theorem in Some Topological Spaces pp. 1-4

Oussama Kabbouch, Mustapha Najmeddine and Frédéric Mynard

On the Irreducibility of Polynomials Associated with the Complete Residue Systems in any Imaginary Quadratic Fields pp. 1-17

Phitthayathon Phetnun, Narakorn Rompurk Kanasri, Patiwat Singthongla and Sergejs Solovjovs

New Properties of Dual Continuous K-g-Frames in Hilbert Spaces pp. 1-11

Abdeslam Touri, Hatim Labrigui, Mohamed Rossafi and Seppo Hassi

Volume 2021, month 3, 2021

Network Reconfiguration with Orientation-Dependent Transit Times pp. 1-11

Hari Nandan Nath, Urmila Pyakurel, Tanka Nath Dhamala and Fernando Bobillo

Implementation of a Transform-Minutiae Fusion-Based Model for Fingerprint Recognition pp. 1-12

Justice Kwame Appati, Prince Kofi Nartey, Ebenezer Owusu, Ismail Wafaa Denwar and Chin-Chia Wu

Stability of Fluid Flow through a Channel with Flexible Walls pp. 1-12

Marianna A. Shubov, Madeline M. Edwards and Sergejs Solovjovs

Mixed Spline Smoothing and Kernel Estimator in Biresponse Nonparametric Regression pp. 1-14

Dyah P. Rahmawati, I. N. Budiantara, Dedy Prastyo, Made A. D. Octavanny and Sergejs Solovjovs

Volume 2021, month 2, 2021

On a Characterization of Finite-Dimensional Vector Spaces pp. 1-3

Marat V. Markin and Sergejs Solovjovs

Anomaly Detection in Health Insurance Claims Using Bayesian Quantile Regression pp. 1-11

Ezekiel N. N. Nortey, Reuben Pometsey, Louis Asiedu, Samuel Iddi, Felix O. Mettle and Sergejs Solovjovs

On the Transient Atomic/Heat Diffusion in Cylinders and Spheres with Phase Change: A Method to Derive Closed-Form Solutions pp. 1-19

I. L. Ferreira, Aurora García-Gallego, A. L. S. Moreira and Sergejs Solovjovs

Mathematical Modelling of Glucose-Insulin System and Test of Abnormalities of Type 2 Diabetic Patients pp. 1-12

Wellars Banzi, Immaculate Kambutse, Vincent Dusabejambo, Eric Rutaganda, Froduald Minani, Japhet Niyobuhungiro, Lydie Mpinganzima, Jean Marie Ntaganda and Marianna A. Shubov

Derivations of a Sullivan Model and the Rationalized G-Sequence pp. 1-5

Oteng Maphane and Sumit Chandok

Representation Theory of Groups and D-Modules pp. 1-7

Ibrahim Nonkané and Kaiming Zhao

Lexicographically Maximum Contraflow Problem with Vertex Capacities pp. 1-7

Phanindra Prasad Bhandari, Shree Ram Khadka and Chin-Chia Wu

Some Properties of Curvature Tensors and Foliations of Locally Conformal Almost Kähler Manifolds pp. 1-7

Ntokozo Sibonelo Khuzwayo, Fortuné Massamba and Ildefonso Castro

Volume 2021, month 1, 2021

An Optimal Lockdown Relaxation Strategy for Minimizing the Economic Effects of COVID-19 Outbreak pp. 1-10

A. C. Mahasinghe, K. K. W. H. Erandi, S. S. N. Perera and Ram U. Verma

On Total Vertex Irregularity Strength of Hexagonal Cluster Graphs pp. 1-9

Nurdin Hinding, Hye Kyung Kim, Nurtiti Sunusi, Riskawati Mise and Sergejs Solovjovs

Controllability of a Family of Nonlinear Population Dynamics Models pp. 1-17

Yacouba Simporé and Theodore E. Simos

Impulse Propagation in Compositions and Words pp. 1-6

Margaret Archibald, Aubrey Blecher, Charlotte Brennan, Arnold Knopfmacher, Toufik Mansour and Sergejs Solovjovs