## WSEAS Transactions on Mathematics

## Volume 21, 2022

Nardone Pasquale, Sonnino Giorgio,

"Simple Algorithm for GCD of Polynomials", WSEAS Transactions on Mathematics, vol. 21, pp. 869-871, 2022Mario Lefebvre,

"First-exit Problems for Integrated Diffusion Processes with State-dependent Jumps", WSEAS Transactions on Mathematics, vol. 21, pp. 864-868, 2022Luís Meira-Machado, Carla Moreira, Gustavo Soutinho, Marta Azevedo,

"Analysis of Survival Data with Multiple Events", WSEAS Transactions on Mathematics, vol. 21, pp. 854-863, 2022Montri Thongmoon, Chawalit Boonpok,

"Upper and Lower Almost β(Λ, sp)-continuous Multifunctions", WSEAS Transactions on Mathematics, vol. 21, pp. 844-853, 2022Munesh Kumari, Kalika Prasad, Bahar Kuloğlu, Engin Özkan,

"The k-Fibonacci Group and Periods of the k-step Fibonacci Sequences", WSEAS Transactions on Mathematics, vol. 21, pp. 838-843, 2022Abita Rahmoune,

"Logarithmic Wave Equation Involving Variable-exponent Nonlinearities:well-posedness and Blow-up", WSEAS Transactions on Mathematics, vol. 21, pp. 825-837, 2022Fengde Chen, Zhong Li, Lijuan Chen,

"Dynamic Behaviors of a Stage Structure Commensalism System with Holling type II Commensalistic Benefits", WSEAS Transactions on Mathematics, vol. 21, pp. 810-824, 2022Yuri K. Dem'yanovich,

"On Adaptive Grid Approximations in the Weight Norm", WSEAS Transactions on Mathematics, vol. 21, pp. 801-809, 2022Rania Saadeh,

"A Reliable Algorithm for Solving System of Multi-Pantograph Equations", WSEAS Transactions on Mathematics, vol. 21, pp. 792-800, 2022Tshidiso Masebe,

"Preliminary Group Classification of Nonlinear Wave Equation u_{tt}+ u

_{t}= f(x,u

_{x})u

_{xx}+ g(x,u

_{x})", WSEAS Transactions on Mathematics, vol. 21, pp. 785-791, 2022

Kleida Haxhi, Teuta Myftiu, Kostaq Hila,

"Some Study on the Topological Structure on Semigroups", WSEAS Transactions on Mathematics, vol. 21, pp. 779-784, 2022M. Tastanov, A. Utemissova, F. Maiyer, R. Ysmagul,

"The Stationary Problem of Two-Phase Filtration by the Monte-Carlo Method: Solutions and Applications", WSEAS Transactions on Mathematics, vol. 21, pp. 770-778, 2022Hassan Al-Zoubi, Hamza Alzaareer, Amjed Zraiqat, Tareq Hamadneh, Waseem Al-Mashaleh,

"On Ruled Surfaces of Coordinate Finite Type", WSEAS Transactions on Mathematics, vol. 21, pp. 765-769, 2022Chuanpit Mungkala, Pheerachate Bunpatcharacharoen,

"Convergence Theorem for Multivalued Almost Type Contractions via Generalized Simulation Functions", WSEAS Transactions on Mathematics, vol. 21, pp. 756-764, 2022Maria Vasilyeva, Youwen Wang, Sergei Stepanov, Alexey Sadovski,

"Numerical Investigation and Factor Analysis of the Spatial-Temporal Multi-Species Competition Problem", WSEAS Transactions on Mathematics, vol. 21, pp. 731-755, 2022I. G. Burova,

"The Local Nonpolynomial Splines and Solution of Integro-Differential Equations", WSEAS Transactions on Mathematics, vol. 21, pp. 718-730, 2022Rebaz Mustafa, Nejmaddin Sulaiman,

"Efficient Ranking Function Methods for Fully Fuzzy Linear Fractional
Programming problems via Life Problems ", WSEAS Transactions on Mathematics, vol. 21, pp. 707-717, 2022Abdallah Al-Husban, Mowafaq Omar Al-Qadri, Rania Saadeh, Ahmad Qazza, Heba Hazza Almomani,

"Multi-Fuzzy Rings", WSEAS Transactions on Mathematics, vol. 21, pp. 701-706, 2022I. G. Burova, Yu. K. Demyanovich,

"Nonlenear Integro-differential Equations and Splines of the Fifth Order of Approximation", WSEAS Transactions on Mathematics, vol. 21, pp. 691-700, 2022Jeeranunt Khampakdee, Chawalit Boonpok,

"Upper and Lower α(L, sp)-continuous Multifunctions", WSEAS Transactions on Mathematics, vol. 21, pp. 684-690, 2022Mohamed R. Abonazel, Mohamed Abdallah, El-Housainy A. Rady,

"On New Two-Step GMM Estimation of the Panel Vector Autoregressive Models with Missing observations", WSEAS Transactions on Mathematics, vol. 21, pp. 671-683, 2022Bazar Babajanov, Fakhriddin Abdikarimov,

"Exact Solutions of the Nonlinear Loaded Benjamin-Ono Equation", WSEAS Transactions on Mathematics, vol. 21, pp. 666-670, 2022Luis Vieira,

"Euclidean Jordan Algebras and Some New Inequalities Over the Parameters of a Strongly Regular Graph", WSEAS Transactions on Mathematics, vol. 21, pp. 659-665, 2022Abdullah Al-Husban, Doaa Al-Sharoa, Mohammad Al-Kaseasbeh, R. M. S. Mahmood,

"Structures of Fibers of Groups Actions on Graphs", WSEAS Transactions on Mathematics, vol. 21, pp. 650-658, 2022Issam Dawoud, Mohamed R. Abonazel, Elsayed Tag Eldin,

"Predictive Performance Evaluation of the Kibria-Lukman Estimator", WSEAS Transactions on Mathematics, vol. 21, pp. 641-649, 2022Chenglian Liu, Sonia C-I Chen,

"Study of COVID-19 Monitoring System Based on Block Chain and Anonymity Techniques", WSEAS Transactions on Mathematics, vol. 21, pp. 635-640, 2022Yilihamujiang Yimamu,

"Determining the Volatility in Option Pricing From Degenerate Parabolic Equation", WSEAS Transactions on Mathematics, vol. 21, pp. 629-634, 2022Michael Gr. Voskoglou,

"Topological Spaces on Fuzzy Structures", WSEAS Transactions on Mathematics, vol. 21, pp. 624-628, 2022Anantachai Padcharoen, Naknimit Akkasriworn,

"Approximations of Fixed Point of Nonexpansive Mappings in Banach Spaces", WSEAS Transactions on Mathematics, vol. 21, pp. 618-623, 2022Olasunmbo Olaoluwa Agboola, Jimevwo Godwin Oghonyon, Temitope Abodunrin,

"Parallel Solver for Oscillatory Stiff Systems of ODEs", WSEAS Transactions on Mathematics, vol. 21, pp. 609-617, 2022William Ramírez, Clemente Cesarano, Stiven Díaz,

"New Results for Degenerated Generalized Apostol–bernoulli, Apostol–euler and Apostol–genocchi Polynomials", WSEAS Transactions on Mathematics, vol. 21, pp. 604-608, 2022Aled Williams,

"Finding an Optimal Proximity Bound in a Very Special Scenario", WSEAS Transactions on Mathematics, vol. 21, pp. 600-603, 2022S. Triolo,

"Some Classes of Quasi *-algebras", WSEAS Transactions on Mathematics, vol. 21, pp. 594-599, 2022Yingxu Wang,

"A Proof of the Twin Prime Conjecture in the Ƥ x Ƥ Space", WSEAS Transactions on Mathematics, vol. 21, pp. 585-593, 2022Sukanya Somprom, Waitaya Nimnual, Wathcharapong Hongthong,

"Some Identities for an Alternating Sum of Fibonacci and Lucus Numbers of Order k", WSEAS Transactions on Mathematics, vol. 21, pp. 580-584, 2022Yanbo Chong, Shangming Chen, Fengde Chen,

"On the Existence of Positive Periodic Solution of an Amensalism Model with Beddington-DeAngelis Functional Response", WSEAS Transactions on Mathematics, vol. 21, pp. 572-579, 2022Yingxu Wang,

"A Proof of Goldbach Conjecture by Mirror Prime Decomposition", WSEAS Transactions on Mathematics, vol. 21, pp. 563-571, 2022Yuri K. Demyanovich, Olga N. Ivantsova, Aleksandra Y. Ponomareva,

"Continuum Wavelets and Distributions", WSEAS Transactions on Mathematics, vol. 21, pp. 553-562, 2022Endri Raço, Kleida Haxhi, Etleva Llagami, Oriana Zaçaj,

"Comparison of Statistical Methods for Claims Reserve Estimation Using R Language", WSEAS Transactions on Mathematics, vol. 21, pp. 547-552, 2022Chuanpit Mungkala, Anantachai Padcharoen, Pakeeta Sukprasert,

"Coincidence Point Results in Hausdorff Rectangular Metric Spaces with an Application to Lebesgue Integral Function", WSEAS Transactions on Mathematics, vol. 21, pp. 540-546, 2022Bara Abdrabo, Hasan Hdeib,

"On Pairwise P-closed Spaces", WSEAS Transactions on Mathematics, vol. 21, pp. 533-539, 2022Xinyue Tang, Yali Dong, Meng Liu,

"Robust Finite-time H∞ Control for Discrete-time Nonlinear Uncertain Singular Systems with Time-delay", WSEAS Transactions on Mathematics, vol. 21, pp. 524-532, 2022Qimei Zhou, Sijia Lin, Fengde Chen, Runxin Wu,

"Positive Periodic Solution of a Discrete Lotka-volterra Commensal Symbiosis Model with Michaelis-menten Type Harvesting", WSEAS Transactions on Mathematics, vol. 21, pp. 515-523, 2022Ahmed H. Youssef, Mohamed R. Abonazel, Ohood A. Shalaby,

"Spatial and Non-Spatial Panel Data Estimators: Simulation Study and Application to Personal Income in U.S. States", WSEAS Transactions on Mathematics, vol. 21, pp. 487-514, 2022Amarjit Kaur Sahni, Jayanti Tripathi Pandey, Ratnesh Kumar Mishra,

"Cancellation On Fuzzy Projective Modules And Schanuel’s Lemma Using Its Conditioned Class", WSEAS Transactions on Mathematics, vol. 21, pp. 476-486, 2022Sunisa Saiuparad, Kanikar Muangchoo, Sukjit Tangcharoen, Phannika Mee-On, Sakulbuth Ekvittayaniphon, Duangkamon Kitkuan,

"Improvements to the Fixed Point Results by the Use of a Simulation Function Employing Rational Terms", WSEAS Transactions on Mathematics, vol. 21, pp. 468-475, 2022Etleva Beliu, Endri Raço, Kleida Haxhi, Oriana Zaçaj, Kostaq Hila,

"Two Statistical Methods to Analyze the Role of CHA2DS2VASc Score in Patients with STEMI", WSEAS Transactions on Mathematics, vol. 21, pp. 461-467, 2022Sarvinaz Khanlarzadeh,

"Mathematical Modeling of the Risk Reinsurance Process", WSEAS Transactions on Mathematics, vol. 21, pp. 447-460, 2022Olivier Hudry, Antoine Lobstein,

"On the Complexity of Determining Whether there is a Unique Hamiltonian Cycle or Path", WSEAS Transactions on Mathematics, vol. 21, pp. 433-446, 2022Fengde Chen, Qimei Zhou, Sijia Lin,

"Global Stability of Symbiotic Model of Commensalism and Parasitism with Harvesting in Commensal Populations", WSEAS Transactions on Mathematics, vol. 21, pp. 424-432, 2022Aisyah Aryandani, Solimun, Nurjannah, Adji Achmad Rinaldo Fernandes, Achmad Efendi,

"Implementation of Fuzzy C-Means in Investor Group in the Stock Market Post-Covid-19 Pandemic", WSEAS Transactions on Mathematics, vol. 21, pp. 415-423, 2022Fuad A. Awwad, Kehinde A. Odeniyi, Issam Dawoud, Zakariya Yahya Algamal, Mohamed R. Abonazel, B. M. Golam Kibria, Elsayed Tag Eldin,

"New Two-Parameter Estimators for the Logistic Regression Model with Multicollinearity", WSEAS Transactions on Mathematics, vol. 21, pp. 403-414, 2022M. H. Hamdan, D. C. Roach,

"Puiseux and Taylor Series of the Einstein Functions and Their Role in the Solution of Inhomogeneous Airy’s Equation", WSEAS Transactions on Mathematics, vol. 21, pp. 395-402, 2022M. Tastanov, A. Utemissova, F. Maiyer, R. Ysmagul,

"RETRACTED: On a Solution to the Stationary Problem of Two-Phase Filtration by the Monte Carlo Method", WSEAS Transactions on Mathematics, vol. 21, pp. 386-394, 2022Chokchai Viriyapong, Chawalit Boonpok,

"(Λ,sp)-Continuous Functions", WSEAS Transactions on Mathematics, vol. 21, pp. 380-385, 2022Kunelbayev Murat, Imankulova Binara, Sundetov Talgat, Tyulepberdinova Gulnur, Issabayeva Sulu, Sagimbayeva Lida,

"RETRACTED: Development And Research of A Two-Contour Solar System In The Lorawan Network", WSEAS Transactions on Mathematics, vol. 21, pp. 371-379, 2022Benharrat Belaïdi, Tanmay Biswas,

"Study of Complex Oscillation of Solutions of a Second Order Linear Differential Equation With Entire Coefficients of (α,β, γ )-Order", WSEAS Transactions on Mathematics, vol. 21, pp. 361-370, 2022Amara Chandoul,

"Note on the Transcendental Equation with Three Unknowns √2f(z) − 4 = √x − P′(t) + √P(t)(y + 2) ± √ x − P′(t) − √ P(t)(y + 2)", WSEAS Transactions on Mathematics, vol. 21, pp. 356-360, 2022Jimevwo Godwin Oghonyon, Matthew Remilekun Odekunle, Matthew Etinosa Egharevba, Temitope Abodunrin,

"A Variable Step Reduction Block Solver for Stiff ODEs", WSEAS Transactions on Mathematics, vol. 21, pp. 347-355, 2022Eman Almuhur,

"On Pairwise C-closed Topological Spaces", WSEAS Transactions on Mathematics, vol. 21, pp. 343-346, 2022M. I. Khan,

"Doubly Truncated Power- Hazard Rate Distribution via Generalized Order Statistics", WSEAS Transactions on Mathematics, vol. 21, pp. 338-342, 2022Chokchai Viriyapong, Chawalit Boonpok,

"Some Open Sets and Related Topics in Topological Spaces", WSEAS Transactions on Mathematics, vol. 21, pp. 329-337, 2022Dimitrios Varsamis, Angeliki Kamilali,

"Optimal Number of Required Points for Evaluation - Interpolation Technique in Complex Basis", WSEAS Transactions on Mathematics, vol. 21, pp. 319-328, 2022Abdallah Al-Habahbeh,

"Numerical Solution of a System of Fractional Ordinary Differential Equations by a Modified Variational Iteration Procedure", WSEAS Transactions on Mathematics, vol. 21, pp. 309-318, 2022M. H. Hamdan, S. Jayyousi Dajani, D. C. Roach,

"Asymptotic Series Evaluation of Integrals Arising in the Particular Solutions to Airy’s Inhomogeneous Equation with Special Forcing Functions", WSEAS Transactions on Mathematics, vol. 21, pp. 303-308, 2022Lionel Garnier, Lucie Druoton, Jean-Paul Bécar, Laurent Fuchs, Géraldine Morin,

"Mass Points, Spaces of Spheres, ”hyperbolae” and Dandelin and Quételet Theorems", WSEAS Transactions on Mathematics, vol. 21, pp. 285-302, 2022Said Essahel, Ali Mouhib,

"On the Metacyclicity of the Hilbert 2-Class Field Tower of Imaginary", WSEAS Transactions on Mathematics, vol. 21, pp. 279-284, 2022Chanidaporn Pleumpreedaporn, Andrew P. Snodin, Elvin J. Moore,

"A Comparison with Theory of Computation and Estimation of Pitch-Angle Diffusion Coefficients from Simulations in Noisy Reduced Magnetohydrodynamic Turbulence", WSEAS Transactions on Mathematics, vol. 21, pp. 271-278, 2022I. G. Burova,

"Fredholm Integral Equation and Splines of the Fifth Order of Approximation", WSEAS Transactions on Mathematics, vol. 21, pp. 260-270, 2022Oriana Zaçaj, Endri Raço, Kleida Haxhi, Etleva Llagami, Kostaq Hila,

"Bootstrap Methods for Claims Reserving: R Language Approach", WSEAS Transactions on Mathematics, vol. 21, pp. 252-259, 2022Chawalit Boonpok,

"θ(*)-quasi Continuity for Multifunctions", WSEAS Transactions on Mathematics, vol. 21, pp. 245-251, 2022Ahmed H. Youssef, Mohamed R. Abonazel, Amr R. Kamel,

"Efficiency Comparisons of Robust and Non-Robust Estimators for Seemingly Unrelated Regressions Model", WSEAS Transactions on Mathematics, vol. 21, pp. 218-244, 2022Gustavo Soutinho, Luís Meira-Μachado,

"Parametric Landmark Estimation of the Transition Probabilities in Survival Data with Multiple Events", WSEAS Transactions on Mathematics, vol. 21, pp. 207-217, 2022Petr Tomiczek,

"Jumping Unbounded Nonlinearities and ALP Condition", WSEAS Transactions on Mathematics, vol. 21, pp. 196-206, 2022Nongluk Viriyapong,

"Modification of Sumudu Decomposition Method for Nonlinear Fractional Volterra Integro-Differential Equations", WSEAS Transactions on Mathematics, vol. 21, pp. 187-195, 2022Irene Charon, Olivier Hudry, Antoine Lobstein,

"Codes in the q-ary Lee Hypercube", WSEAS Transactions on Mathematics, vol. 21, pp. 173-186, 2022Anatoly Beletsky,

"Factorization of the Degree of Semisimple Polynomials Over the Galois Fields of Arbitrary Characteristics", WSEAS Transactions on Mathematics, vol. 21, pp. 160-172, 2022Hassan M. Abu-Donia, Hani A. Atia, Eman Safaa,

"Fixed Point Theorems in Partial 2-Metric Spaces", WSEAS Transactions on Mathematics, vol. 21, pp. 153-159, 2022Ogunlade Temitope Olu, Akindutire Opeyemi Roselyn, Faweya Olanrewaju, Balogun Kayode Oguntuase, Okoro Joshua Otonritse,

"Forecasting of Post-Covid-19 Import Value Index in Nigeria Using Box-Jenkins Methodology", WSEAS Transactions on Mathematics, vol. 21, pp. 144-152, 2022Mohammad A. Amleh,

"Prediction of Future Lifetimes for a Simple Step-Stress Model with Type-II Censoring and Rayleigh Distribution", WSEAS Transactions on Mathematics, vol. 21, pp. 131-143, 2022Efstathios Karypidis, Stylianos G. Mouslech, Kassiani Skoulariki, Alexandros Gazis,

"Comparison Analysis of Traditional Machine Learning and Deep Learning Techniques for Data and Image Classification", WSEAS Transactions on Mathematics, vol. 21, pp. 122-130, 2022David E. Giles,

"Unbiased Estimation of the Standard Deviation for Non-Normal Populations", WSEAS Transactions on Mathematics, vol. 21, pp. 119-121, 2022Yi Zhang, Gongsheng Li,

"A Simplified Fractional SEIR Epidemic Model and Unique Inversion of the Fractional Order", WSEAS Transactions on Mathematics, vol. 21, pp. 113-118, 2022João Paulo Martins, Miguel Felgueiras, Rui Santos,

"Mean Value Estimation Using Low Size Samples Extracted from Skewed Populations", WSEAS Transactions on Mathematics, vol. 21, pp. 107-112, 2022Sondekola Rudra Swamy, Alina Alb Lupas,

"Bi-univalent Function Subfamilies Defined by q - Analogue of Bessel Functions Subordinate to (p, q) - Lucas Polynomials", WSEAS Transactions on Mathematics, vol. 21, pp. 98-106, 2022Hewa Selman Faris, Raad Noori Butris,

"Existence, Uniqueness, and Stability of Solutions of Systems of Complex Integrodifferential Equations on Complex Planes", WSEAS Transactions on Mathematics, vol. 21, pp. 90-97, 2022Moha Ben Taleb Elhamam, Abdelali Grini, Abdelhakim Chillali, Lhoussain El Fadil,

"El Gamal Cryptosystem on a Montgomery
Curves Over Non Local Ring", WSEAS Transactions on Mathematics, vol. 21, pp. 85-89, 2022Paola Favati, Ornella Menchi,

"Stability Analysis of the Matrix-vector Product (via FFT) for a Toeplitz-like Matrix", WSEAS Transactions on Mathematics, vol. 21, pp. 77-84, 2022M. O. Oluwayemi, B. O. Moses, J. O. Hamza,

"On a Class of Function of Bounded Turning with Negative Coefficients Associated with a Generalized Multiplier Transformation", WSEAS Transactions on Mathematics, vol. 21, pp. 71-76, 2022Qiqing Yu,

"Interval Estimation Under The Uniform Distribution U(a,b)", WSEAS Transactions on Mathematics, vol. 21, pp. 68-70, 2022Yuri Demyanovich, Le Thi Nhu Bich,

"Discrete and Continuous Wavelet Expansions", WSEAS Transactions on Mathematics, vol. 21, pp. 58-67, 2022Abdallah Al-Ηusban,

"Fuzzy Soft Groups Based on Fuzzy Space", WSEAS Transactions on Mathematics, vol. 21, pp. 53-57, 2022Ruslan Skuratovskii,

"The Investigation of Euler’s Totient Function Preimages for φ(n)=2^{m}p1

^{α}p2

^{β}and the Cardinality of Pre-totients in General Case", WSEAS Transactions on Mathematics, vol. 21, pp. 44-52, 2022

Mufda Jameel Alrawashdeh,

"Improved Naive Bayes Classification for Joint Investment Plan", WSEAS Transactions on Mathematics, vol. 21, pp. 37-43, 2022Hany A. Atia, Mona S. Bakry, Aya A. Abd-Elrashed,

"Generalization Fixed Points of Multivalued α-Admissible Mappings in 2-Metric Spaces", WSEAS Transactions on Mathematics, vol. 21, pp. 31-36, 2022Osmin Ferrer, Diego Carrillo, Arnaldo De La Barrera,

"Reproducing Kernel in Krein Spaces", WSEAS Transactions on Mathematics, vol. 21, pp. 23-30, 2022Adji Achmad Rinaldo Fernandes, Solimun, Lailil Muflikhah, Aisyah Alifa, Endang Krisnawati, Ni Made Ayu Astari Badung, Erlinda Citra Lucki Efendi,

"Nonparametric Path Analysis on Consumer Satisfaction and Consumer Engagement in PT Pertamina", WSEAS Transactions on Mathematics, vol. 21, pp. 17-22, 2022O. Ababneh,

"New Iterative Methods for Solving Nonlinear Equations and Their
Basins of Attraction", WSEAS Transactions on Mathematics, vol. 21, pp. 9-16, 2022Varanoot Khemmani, Witsarut Pho-On, Supachoke Isariyapalakul,

"Graph Realizations Constrained by Connected Local Dimensions and Connected Local Bases", WSEAS Transactions on Mathematics, vol. 21, pp. 1-8, 2022