Prof. NJOSEH, Ignatius Nkonyeasua (PROFESSOR)

Email: njoseh@delsu.edu.ng

• Area of Specialization: Numerical Analysis
• Department of Mathematics


• Ignatius Nkonyeasua Njoseh obtained his B.Sc. (Ed) degree in Mathematics from Bendel State University, Ekpoma, Nigeria in 1991 and his MSc. degree from the University of Ibadan, Nigeria in 1997. He obtained his Ph.D. Mathematics in Numerical Analysis, in 2010 from the University of Ibadan, Ibadan, Oyo State, Nigeria. He obtained a Postgraduate Diploma in Computer Science from the University of Benin, Nigeria in 1995 and has been a professional business administrator since 1999 when he obtained his professional MBA degree from the Delta State University, Abraka. Prof. Njoseh became a professor in 2017, and has assumed various academic positions at Delta State University; they include Associate Dean in the Postgraduate School and the Faculty of Science from 2017-2019 and 2012-2016 respectively: Member, Senate of Delta State University 2012 till date; Member, Academic Board of Mathematics Department (1997 till date), Member, Academic Board of Faculty of Science (1997 till date); Coordinator, Undergraduate Project/Research, Dept. of Mathematics (1997-1998); Member, Time-Table/Lecture Monitoring Committee (2016-2019); Chairman, Examination Malpractice Mobile Disciplinary Committee B (2014-2020) and Course Adviser for different academic levels, Dept. of Mathematics (100-400 level) 1993 till date. He has actively been involved as a Member of numerous committees in the university; University Interdenominational Reconciliation/Rededication Committee, University Examination Monitoring Committee, University Certificate Verification Committee, Student Union Electoral Committee, University Time Table/Space Committee, General Studies (GST) Committee, Continuing Education Programme Board, Lecture Monitoring Committee, Faculty of Science Conference Committee and several Postgraduate Oral Examination Panels. He equally was the Business Editor and Reviewer, of the Nigerian Journal of Science and Environment, Staff Adviser, National Association of Ika Students, DELSU Branch, (1999-2018); Staff Adviser, Nigerian Federation of Catholic Students, DELSU Branch (2008 till Date), and Staff Patron, NDLEA Students’ Cadet, DELSU, Abraka, (2010-2018). Outside the University walls, he is a Reviewer for several reputable journals. He was also Chief Examiner, Facilitator and Chairman of mathematics and Further mathematics Panel for the interview of teachers by the Delta State Ministry of Basic and Secondary Education, Asaba in 2019; Resource Personnel on Examination Malpractice to the Delta State Ministry of Higher Education (2014); Consultant on Education (especially on Examination Malpractices/Fake Results/Certificates); Marshal of Exam Ethics Marshal International (2011 till Date); Delta State Coordinator, Exam Ethics Marshal International from 2011 till Date. Prof. Njoseh is an excellent and prolific writer with over 50 quality publications in Indexed, International, National and Local Journals and four chapters in books to his credit. Prof. Njoseh is a member of the Nigerian Association of Mathematical Physics, Nigerian Mathematical Society, Mathematical Association of Nigeria, FIRSTMATH Research Team and Exam Ethics Marshals International. He was the Director of the Information and Communication Technology (ICT) unit of Delta State University, Abraka, Nigeria from April 01, 2020, to March 31, 2024. His areas of interest include; Numerical methods for Deterministic and Stochastic PDEs, Fractional Deterministic and Stochastic PDEs and Integro- and Fractional Integro-Differential Equations.

My Publications
1. Njoseh, I.N. and Musa, A. (2019) Variational Iteration Method for Pantograph-Type Delay Differential Equations using Mamadu-Njoseh Polynomials. , International Journal of Mathematics and Computation
   http://www.ceser.in/ceserp/index.php/ijmc/article/view/6134 Vol.30(3) Pages:
   
   
2. Ogeh, K.O. and Njoseh, I.N. (2019) Modified Variational Iteration Method for Solving Boundary Value Problems using Mamadu-Njoseh Polynomials. , International Journal of Engineering and Future Technology
   http://www.ceserp.com/cp-jour/index.php/ijeft/article/view/5251 Vol.16(4): 23-34 Pages:
   
   
3. Njoseh, I.N. and Musa, A. (2019) Variational Iteration Homotopy Perturbation Method for Delay Differential Equations. , International Journal of Mathematics and Computation
   http://www.ceser.in/ceserp/index.php/ijmc/article/view/5934 Vol.30(1): 105–116 Pages:
   
   
4. Njoseh, I.N. (2018) Variational Iteration Decomposition Method for Numerical Solution of Boundary Value Problems with Mamadu-Njoseh Polynomials, FUPRE Journal of Scientific and Industrial Research
   https://journal.fupre.edu.ng/index.php/fjsir/article/view/35/30 Vol.2(2): 45-54 Pages:
   
   
5. Mamadu, E.J. and Njoseh, I.N. (2017) Power Series Variational Approximation Method for the Numerical treatment of Fifth Order Boundary Value Problems. , Journal of Natural Science and Mathematics
   https://gcu.edu.pk/FullTextJour/JNSM/2017/10-18.pdf Vol.57: 10-18 Pages:
   
   
6. Njoseh, I.N. and Mamadu, E.J. (2017) Improved Elzaki Transform Decomposition Method for the Analytic Solution of Gas Dynamic Equations, FUPRE Journal of Scientific and Industrial Research
   https://journal.fupre.edu.ng/index.php/fjsir/article/view/7/7 Vol.1(1): 78 – 85 Pages:
   
   
7. Njoseh, I.N. and Mamadu, E.J. (2017) Modified Power Series Approximation Method for Generalized Boundary Value Problems, Ege University Journal of Faculty of Science
   http://fen2.ege.edu.tr/journal/index.php/jfs/article/view/74 Vol.41(1): 32 – 43 Pages:
   
   
8. Njoseh, I.N. and Mamadu, E.J. (2017) Improved Elzaki Transform Method for Singular Initial Value Problems In Second Order Ordinary Differential Equations, Scientia Africana
   https://www.ajol.info/index.php/sa/article/view/175465 Vol.16(1): 205 – 210 Pages:
   
   
9. Njoseh, I.N. and Mamadu, E.J. (2017) Power Series Variation Iteration Method for Solving Fourth Order Boundary Value Integro-Differential Equations, Scientia Africana
   https://www.ajol.info/index.php/sa/article/view/175462 Vol.16(1): 176 – 181 Pages:
   
   
10. Njoseh, I.N. and Mamadu, E.J. (2017) A New Approach for the Solution of 12th Order Boundary Value Problems using First Kind Chebychev Polynomials, Transactions of Nigeria Association of Mathematical Physicists
    http://e.nampjournals.org/product-info.php?pid3153.html Vol.3: 5-10 Pages:
    
    
11. Njoseh, I.N. and Mamadu, E.J. (2017) Modified Variation Iteration Homotopy Perturbation Method for the Approximate Solution of Burgers Equation, Transactions of Nigeria Association of Mathematical Physicists
    http://e.nampjournals.org/product-info.php?pid3152.html Vol.3: 1- 4 Pages:
    
    
12. Mamadu, E.J. and Njoseh, I.N. (2017) Solving Delay Differential Equations by Elzaki Transform Method, Boson Journal of Modern Physics
    http://www.scitecresearch.com/journals/index.php/bjmp/article/view/1008 Vol.3(1): 214 – 219 Pages:
    
    
13. Njoseh, I.N. and Mamadu, E.J. (2016) Variation Iteration Decomposition Method for the Numerical Solution of Integro-Differential Equations, Nigeria Journal of Mathematics and Applications
    http://njmaman.com/articles/PAPER9.pdf Vol.24: 122 – 130 Pages:
    
    
14. Njoseh, I.N. and Mamadu, E.J. (2016) Modified Variational Homotopy Perturbation Method for Nonlinear Volterra Integro-differential Equations, Nigeria Journal of Mathematics and Applications
    http://njmaman.com/articles/PAPER6.pdf Vol.24: 80 – 89 Pages:
    
    
15. Mamadu, E.J. and Njoseh, I.N. (2016) A New Iterative Scheme for the Solution of Tenth Order Boundary Value Problems using first kind Chebychev Polynomials, Nigerian Journal of Basic and Applied Science
    https://www.ajol.info/index.php/njbas/article/view/161707 Vol.21(1): 76 – 81 Pages:
    
    
16. Mamadu, E.J. and Njoseh, I.N. (2016) Variation Iteration Method for the Approximate Solution of Nonlinear Burgers Equation, Nigerian Journal of Basic and Applied Science
    https://www.ajol.info/index.php/njbas/article/view/161706 Vol.21(1): 70 – 75 Pages:
    
    
17. Njoseh, I.N. and Mamadu, E.J. (2016) Transformed Generate Approximation Method for generalized boundary value problems using first kind Chebychev polynomials, Science World Journals
    https://www.ajol.info/index.php/swj/article/view/154829 Vol.11(4): 30 – 33 Pages:
    
    
18. Njoseh, I.N. and Mamadu, E.J. (2016) Numerical solutions of fifth order boundary value problems using Mamadu-Njoseh polynomials, Science World Journals
    https://www.ajol.info/index.php/swj/article/view/154827 Vol.11(4): 21-24 Pages:
    
    
19. Njoseh, I.N. (2016) Variation Iteration Adomian Decomposition Method for solving Nonlinear Partial Differential Equations, Journal of Approximation Theory and Applied Mathematics
    www.jatam.de Vol.6 Pages:
    
    
20. Mamadu, E.J. and Njoseh, I.N. (2016) On the convergence of variational iteration method for the numerical solution of nonlinear integro-differential equations, Transactions of Nigeria Association of Mathematical Physicists
    http://e.nampjournals.org/product-info.php?pid3126.html Vol.2: 65-70 Pages:
    
    
21. Mamadu, E.J. and Njoseh, I.N. (2016) Certain orthogonal polynomials in orthogonal collocation methods of solving Fredholm Integro-Differential equations (FIDEs), Transactions of Nigeria Association of Mathematical Physicists
    http://e.nampjournals.org/product-info.php?pid3124.html Vol.2: 59-64 Pages:
    
    
22. Njoseh, I.N. and Mamadu, E.J. (2016) Numerical Solutions of a Generalized Nth Order Boundary Value Problems Using Power Series Approximation Method, Applied Mathematics
    https://www.scirp.org/pdf/AM_2016071115573787.pdf Vol.7: 1215-1224 Pages:
    
    
23. Mamadu, E.J. and Njoseh, I.N. (2016) Numerical Solutions of Volterra Equations using Galerkin Method with Certain Orthogonal Polynomials, Journal of Applied Mathematics and Physics
    https://www.scirp.org/pdf/JAMP_2016022613430538.pdf Vol.4: 376-382 Pages:
    
    
24. Mamadu, E.J. and Njoseh, I.N. (2016) Tau-Collocation Approximation Approach for Solving First and Second Order Ordinary Differential Equations, Journal of Applied Mathematics and Physics
    https://www.scirp.org/pdf/JAMP_2016022613501691.pdf Vol.4: 383-390 Pages:
    
    
25. Njoseh, I.N. (2014) Crank-Nicolson-Galerkin Error Estimates for Linear Stochastic Wave Equation driven by Space-Time White Noise, Nigeria Journal of Mathematics and Applications
    http://www.njmaman.com/articles/Revised%20Crank-Nicolson.pdf Vol.23: 39 – 48 Pages:
    
    
26. Oyem, O.A. and Njoseh, I.N. (2013) On a Coupled Nonlinear Differential Equation of an Inviscid Flow: Physical Properties, Nigeria Journal of Science and Environment
    http://universityjournals.org/journal/NJSE/article-full-text-pdf/483EAA24 Vol.12(2): 145 – 149 Pages:
    
    
27. Njoseh, I.N. (2013) On the Effectiveness of Error Estimate of the Solution of Stochastic Partial Differential Equation driven by Space-Time White Noise, Nigeria Journal of Science and Environment
    http://www.universityjournals.org/journal/NJSE/article-full-text-pdf/1CD17821 Vol.12(2):126 – 130 Pages:
    
    
28. Njoseh, I.N. and Musa, A. (2013) Comparison of Solution Methods for some Classical Flow Problems in Rarified Gas Dynamics, Journal of Applied Mathematics and Physics
    https://www.scirp.org/pdf/JAMP_2013092016280145.pdf Vol.1(3): 28-36 Pages:
    
    
29. Musa, A and Njoseh, I.N. (2013) Discrete Ordinate Method Solution for Classical Flow Problem in Rarefied Gas Dynamic, Nigeria Journal of Mathematics and Applications
    https://www.researchgate.net/profile/Ignatius_Njoseh/publications Vol.22: 22 – 23 Pages:
    
    
30. Njoseh, I.N. and Musa, A. (2013) Finite Difference Solution of Boundary Value Problems for Classical Flow Problem in Rarefied Gas Dynamics, Journal of the Nigerian Association of Mathematical Physics
    http://e.nampjournals.org/product-info.php?pid1629.html Vol.24: 427 – 432 Pages:
    
    
31. Njoseh, I.N. (2013) On the Semi-discretized Stochastic Cahn-Hilliard Equation Driven by Space-Time Noise: Analytic L2-Norm Error Estimate, Journal of Mathematical Science
    https://www.researchgate.net/profile/Ignatius_Njoseh/publications Vol.24(3):137 – 144 Pages:
    
    
32. Njoseh, I.N. (2011) Examination Timetabling Problem: The Need for Change (A Mathematical Model Approach), Book of Reading in Honour of Prof. J. O Enaohwo., Muoboghare P. (Ed), Delta State University, Abraka
    Vol.214-218 Pages:
    
    
33. Ezenweani, U.L. and Njoseh, I.N. (2010) Cartesian Coordinate Applications for Circle Theorems: Uses of Axial and Shifted Angles Tables, Journal of Inst. of Maths & Comp. Sci. (Maths Series)
    https://www.researchgate.net/profile/Ignatius_Njoseh/publications Vol.23(2): 53 – 61 Pages:
    
    
34. Njoseh, I.N. (2010) Convergence of Crank-Nicolson-Galerkin Discrete Scheme for Stochastic Hyperbolic Equation in the Maximum-Norm, Journal of Nigerian Association of Mathematical Physicists
    https://www.ajol.info/index.php/jonamp/article/view/90931 Vol.16: 215 – 220 Pages:
    
    
35. Njoseh, I.N. (2010) L2 Norm Error Estimates for Crank-Nicolson-Galerkin Procedure for Stochastic Wave Equation, Journal of Nigerian Association of Mathematical Physicists
    https://www.ajol.info/index.php/jonamp/article/view/90929 Vol.16: 211 – 214 Pages:
    
    
36. Njoseh, I.N. (2010) On the Galerkin Finite Element Representation of Stochastic Scattering Problem of the Helmholtz Type, International Journal of Numerical Mathematics
    Vol.5(2): 327-335 Pages:
    
    
37. Njoseh, I.N. (2010) Error Estimates of Semi-discretized Stochastic Cahn-Hilliard Equation Driven by Space-Time Noise, International Journal of Numerical Mathematics
    Vol.5(2): 245–254 Pages:
    
    
38. Njoseh, I.N. (2010) Finite Element Discretization of Stochastic Partial Differential Equation Driven by Additive White Noise, International Journal of Numerical Mathematics
    Vol.5(1): 55-65 Pages:
    
    
39. Njoseh, I.N. (2009) On the Strong Convergence of the Fully Discretized Solution for Hyperbolic Stochastic Equation, Journal of Mathematical Sciences
    https://www.researchgate.net/profile/Ignatius_Njoseh/publications Vol.20(3): 287-292 Pages:
    
    
40. Njoseh, I.N. (2009) On the Rate of Strong Convergence of the Semi-discretized Solution of Hyperbolic Stochastic Equation, Journal of Mathematical Sciences
    https://www.researchgate.net/profile/Ignatius_Njoseh/publications Vol.20(3): 301-306 Pages:
    
    
41. Njoseh, I.N. (2009) Blow-Up Time of the Solution of Stochastic Partial Differential Equation Driven by Space-Time Noise, Journal of Inst. of Maths & Comp. Sci. (Maths Series)
    https://www.researchgate.net/profile/Ignatius_Njoseh/publications Vol.22(1): 15-19 Pages:
    
    
42. Njoseh, I.N. and Ayoola, E.O. (2009) Maximum-Norm Error Estimate for a Strongly Damped Stochastic Wave Equation, Journal of Mathematical Sciences
    https://www.researchgate.net/profile/Ignatius_Njoseh/publications Vol.20(1): 21-30 Pages:
    
    
43. Njoseh, I.N. and Ayoola, E.O. (2008) Finite Element Method for a Strongly Damped Stochastic Wave Equation Driven by Space-Time Noise, Journal of Mathematical Sciences
    https://www.researchgate.net/profile/Ignatius_Njoseh/publications Vol.19(1): 61-72 Pages:
    
    
44. Njoseh, I.N. and Ayoola, E.O. (2008) On the Finite Element Analysis of the Stochastic Cahn-Hilliard Equation, Journal of Inst. of Maths & Comp. Sci. (Maths Series)
    https://www.researchgate.net/profile/Ignatius_Njoseh/publications Vol.21(1): 47-53 Pages:
    
    
45. Njoseh, I.N. and Imoni, S.O. (2005) On the Conditional Gradient Method for Constrained Optimization Problems with Equality Constraints, International Journal of Numerical Mathematics
    https://www.researchgate.net/profile/Ignatius_Njoseh/publications Vol.1: 158-168 Pages:
    
    
46. Njoseh, I.N. and Atonuje, A.O. (2005) On the Stability of Stochastic Dynamic Systems. (The Lyapunov Method), Nigeria Journal of Science and Environment
    https://www.researchgate.net/profile/Ignatius_Njoseh/publications Vol.4: 53-56 Pages:
    
    
47. Njoseh, I.N. and Atonuje, A.O. (2003) On the Nature, Importance and Applications of the Finite Element Method (F.E.M) for Differential Equations, Nigeria Journal of Science and Environment
    https://www.researchgate.net/profile/Ignatius_Njoseh/publications Vol.l(3): 37-43 Pages:
    
    
48. Atonuje, A.O. and Njoseh, I.N. (2004) On the Cooley-Turkey Fast Fourier Algorithm for Arbitrary Factors, Journal of Nigerian Association of Mathematical Physics
    https://www.ajol.info/index.php/jonamp/article/view/39985 Vol.8(1): 121-124 Pages:
    
    
49. Njoseh, I.N. and Okonta, P.N. (2002) On the Differences and Similarities of the Finite Element Method and the Finite Difference Method in solving Elliptic Problems based on some Convergent Results, Journal of Science and Technology Research
    Vol.1(2): 59-72 Pages:
    
    
50. Njoseh, I.N., Okonta, P.N. and Ajayi, D.O. (2001) On the Application of Lyapunov’s Theorem of Stability to the Convergence of the Reduced Gradient Method for Optimization Problems with Equality Constraints, Journal of Nigerian Association of Mathematical Physics
    http://e.nampjournals.org/product-info.php?pid371.html Vol.4: 273-276 Pages:
    
    
51. Oduselu-Hassan, E.O. and Njoseh, I.N. (2019) A Review of Numerical Methods for Stochastic Differential Equations , Nigerian Journal of Science and Environment
    https://www.academia.edu/42183086/A_REVIEW_OF_NUMERICAL_METHODS_FRO_STOCHASTIC_DIFFERENTIAL_EQUATIONS?email_work_card=title Vol.17(1):126-143 Pages:
    
    
52. Njoseh, I.N. (2017) Variational Iteration Method for Seventh Order Boundary Value Problems using Chebychev and Mamadu-Njoseh Polynomials, The Journal of the Nigerian Institute of Production Engineers
    https://www.researchgate.net/publication/340548108_VARIATIONAL_ITERATION_METHOD_FOR_SEVENTH_ORDER_BOUNDARY_VALUE_PROBLEMS_USING_CHEBYCHEV_AND_MAMADU-NJOSEH_POLYNOMIALS Vol.21 Pages: 285 - 294
    
    
53. Ojarikre, H.I. and Njoseh, I.N. (2017) Foreign Exchange Pricing as Markov Process, The Journal of the Nigerian Institute of Production Engineers
    https://www.researchgate.net/publication/340547985_FOREIGN_EXCHANGE_PRICING_AS_A_MARKOV_PROCESS Vol.21: Pages: 70 - 82
    
    
54. Njoseh, I.N. and Musa, A. (2013) Numerical Solution of Boundary Value Problems for Thirteen Moment Equations of Rarefied Gas Dynamics, The Journal of the Nigerian Institute of Production Engineers
    https://www.researchgate.net/publication/340539945_Numerical_Solution_of_Boundary_Value_problems_for_Thirteen_Moment_Equations_of_Rarefied_Gas_Dynamics Vol.15 Pages: 105 – 115
    
    
55. Njoseh, I.N. and Mamadu, E.J. (2017) Optimal Variation Iteration Method for Solving Thirteenth-Order Boundary Value Problems, Nigerian Annals of Natural Sciences
    https://www.researchgate.net/publication/340488461_OPTIMAL_VARIATION_ITERATION_METHOD_FOR_SOLVING_THIRTEENTH-ORDER_BOUNDARY_VALUE_PROBLEMS Vol.16(1) Pages: 76 - 81
    
    
56. Njoseh, I.N. and Mamadu, E.J. (2017) An Application of Variation Iteration Method for the Analytical Solution of the Gas Dynamic Equation, Nigerian Annals of Natural Sciences
    https://www.researchgate.net/publication/340488400_AN_APPLICATION_OF_VARIATION_ITERATION_METHOD_FOR_THE_ANALYTICAL_SOLUTION_OF_THE_GAS_DYNAMIC_EQUATION Vol.16(1) Pages: 13 - 17
    
    
57. Njoseh, I.N. (2012) Human Capital Development through Mathematics and Computer Programming Languages (Mathematical Sciences), Language, Communication, and Human Capital Development in a Globalized World. Osakwe Mabel (Ed). Kraft books Limited, Ibadan, Nigeria
    Vol.1 Pages: 147-154
    
    
58. Onyeoghane, J.N. and Njoseh, I.N. (2019) Modified Numerical Techniques for the Solution of Heston Stochastic Partial Differential Equation via Mamadu-Njoseh Polynomials, Bulletin of the Science Association of Nigeria
    https://www.researchgate.net/publication/344227741_Modified_Numerical_Techniques_for_the_Solution_of_Heston_Stocastic_Partial_Differential_Equation_via_Mamadu-Njoseh_Polynomials Vol.30 Pages: 186-195
    
    
59. Onyeoghane, J.N. and Njoseh, I.N. (2020) Modified Variational Iteration Method for the Solutions of Heston Stochastic Partial Differential Equation using the Mamadu-Njoseh Orthogonal Polynomials, Nigerian Journal of Science and Environment
    https://www.researchgate.net/publication/344227754_Modified_Variational_Iteration_Method_for_the_Solutions_of_Heston_Stochastic_Partial_Differential_Equation_using_the_Mamadu-Njoseh_Orthogonal_Polynomials Vol.18(1) Pages: 168-172
    
    
60. Oduselu-Hassan, E.O. and Njoseh, I.N. (2020) On Milstein Scheme for solving Geometric Brownian Motion (GBM), Nigerian Journal of Science and Environment
    https://www.researchgate.net/publication/344228023_On_Milstein_Scheme_for_Solving_Geometric_Brownian_Motion_GBM_Equation Vol.18(1) Pages: 183-191
    
    
61. Igabari, J.N. and Njoseh, I.N. (1999) Sequences and Series of Numbers (Chapter 3) in Introductory Pure Mathematics, Okonta, P.N. (Ed), Functional Publishing Company, Lagos, Nigeria
      Vol.1 Pages: 26-49
    
    
62. Apanapudor, J.S., Njoseh, I.N., Ogini, N.O. and Omede, G.C. (2005) Introduction to Computer Science and Data Processing (A Practical Approach), Krisbec Publications, Agbor, Nigeria
    Vol. Pages:
    
    
63. Njoseh, I.N. and Ojobor, S.A. (2018) Set Theory; in Introductory College Mathematics, A teaching Manual of the Department of Mathematics, Delta State University, Abraka, Njoseh, I.N. (Chief Ed), Mathematical Association of Nigeria (MAN), Delta State
    Vol.1 Pages: 1-13
    
    
64. Njoseh, I.N. and Okposo, N. (2020) Vectors, In Introductory College Mathematics, A teaching Manual of the Department of Mathematics, Delta State University, Abraka, Njoseh, I.N. (Chief Ed), Mathematical Association of Nigeria (MAN), Delta State
      Vol.2 Pages: 1-19
    
    
65. Iweobodo, D.C, Mamadu, J.E and Njoseh, I.N. (2021) Daubechies Wavelet-based Galerkin Method of Solving Partial Differential Equations, Caliphate Journal of Science & Technology (CaJoST)
    https://cajostssu.files.wordpress.com/2021/03/62-68_202101010.pdf Vol.2021(1) Pages: 62-68
    
    
66. Otutuadum, G.A. and Njoseh, I.N. (2021) Approximate Solutions of Stochastic Bonhoeffer-Van der Pol Oscillatory System, Nigerian Journal of Science and Environment
    https://delsunjse.com/index.php/njse/article/view/43/44 Vol.19(1) Pages: 104-112
    
    
67. Onyeoghane, J.N. and Njoseh, I.N. (2021) Modified Variational Iteration Method for the solution of the time fractional Nagumo equation, Nigerian Journal of Science and Environment
    https://delsunjse.com/index.php/njse/article/view/17/19 Vol.19(2) Pages: 163-169
    
    
68. Mamadu, E. J., Ojarikre, I. H. and Njoseh, I. N. (2021) Numerical Solution of Fractional Integro-Differential Equation using Galerkin Method with Mamadu-Njoseh Polynomials, Australian Journal of Basic and Applied Sciences
    http://www.ajbasweb.com/old/ajbas_October-2021.html Vol.15(10) Pages: 13-19
    
    
69. Ojarikre, I. H., Igabari, J. N. Mamadu, E. J. and Njoseh, I. N. (2022) Simulation of Infectious Disease model and its effects on the Nigerian Economy , Ciência e Técnica Vitivinícola
    http://ciencia-e-tecnica.org/cien/journals/published/1634214205_RP7bO.pdf Vol.37(1) Pages: 1-17
    
    
70. Akponana, E.B and Njoseh, I.N. (2022) Approximate Solution of Newell-Whitehead-Segel Equation using Iterative methods with Mamadu-0Njoseh Polynomials, Nigerian Journal of Science and Environment
    https://delsunjse.com/index.php/njse/article/view/80 Vol.20(1) Pages: 1-10
    
    
71. Mamadu, E.J., Njoseh, I. N. and Ojarikre, I. H. (2022) Space Discretization of Time-Fractional Telegraph Equation with Mamadu-Njoseh Basis Functions, Applied Mathematics
    https://www.scirp.org/pdf/am_2022092814220783.pdf Vol.13(9) Pages: 760-773
    
    
72. Oduselu-Hassan, E.O. and Njoseh, I.N. (2022) Numerical Solution of a Generalized Fractional Burgers Diffusion Equation with Mamadu-Njoseh Polynomials, Nigerian Journal of Mathematics and Applications
    http://www.njmaman.com/articles/2022/PAPER17.pdf Vol.32 Pages: 202-215
    
    
73. Mamadu, E.J., Ojarikre H.I. and Njoseh, I.N. (2023) Convergence Analysis of Space Discretization of Time Fractional Telegraph Equation, Mathematics and Statistics
    https://www.hrpub.org/download/20230228/MS2-13429546.pdf Vol.11(2) Pages: 245-251
    
    
74. Mamadu, E.J., Ojarikre H.I. and Njoseh, I.N. (2023) An Error Analysis of Implicit Finite Difference Method with Mamadu-Njoseh Basis Functions for Time Fractional Telegraph Equation, Asian Research Journal of Mathematics
    https://journalarjom.com/index.php/ARJOM/article/view/675/1340 Vol.19(7) Pages: 20-30
    
    
75. Ifeosame, F.B and Njoseh, I.N. (2023) Tau-Collocation Approach for solving Fractional Integro-Differential Equations, Nigerian Journal of Science and Environment
    https://www.delsunjse.com/index.php/njse/article/view/114/135 Vol.21(1) Pages: 115-128
    
    
76. Mamadu, A.E. and Njoseh, I.N. (2023) Approximate Solution of Fractional Fredholm-Type Integro-Differential Equations with certain Orthogonal Polynomial, Nigerian Journal of Science and Environment
    https://delsunjse.com/index.php/njse/article/view/111/129 Vol.21(1) Pages: 63-74
    
    
77. Ojada, A.E. and Njoseh, I.N. (2023) Mamadu-Njoseh Spectral Collocation Method for Fractional Klein-Gordon Equation, Nigerian Journal of Science and Environment
    https://www.delsunjse.com/index.php/njse/article/view/112/134 Vol.21(1) Pages: 75-93
    
    
78. Ijeh, S.B., Njoseh, I.N., Akpomedaye, J.F.O., Igabari, J.N., Osadebe, P.U. and Enakpoya, E. (2023) Influence of On-the-Job Training of Beginning Teachers (Novice) on Students' Achievement in Mathematics at Senior Secondary Schools in Delta State, Journal of University of Shanghai for Science and Technology
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79. Oduselu-Hassan, E.O., Njoseh, I.N. and Tsetimi, J. (2023) A Numerical Approximation of the Stochastic Ito-Volterra Integral Equation, Asian Research Journal of Mathematics
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80. Iweobodo D. C., Njoseh I. N. and Apanapudor J. S. (2023) A New Wavelet-based Galerkin Method of Weighted Residual Function for The Numerical Solution of One-dimensional Differential Equations, Mathematics and Statistics
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81. Odjeva, J. O and Njoseh, I. N. (2023) Solution to fractional order Advection-Dispersion problems using Galerkin method with Mamadu-Njoseh polynomials, Nigerian Journal of Science and Environment
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82. Ojo-Orobosa, V.O, Njoseh, I.N. and Apanapudor, J.S. (2023) On the existence of Canonical form in all Square-Integrable Martingale with respect to {????(??), ?????} in the Wiener Functional Space under very general condition on M , Nigerian Journal of Science and Environment
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83. Mamadu, J.E., Ojarikre, H.I., Ogumeyo, S.A., Iweobodo, D.C., Mamadu, E.A., Tsetimi, J. and Njoseh, I.N. (2024) A least squares finite element method for time fractional telegraph equation with Vieta-Lucas basis functions , Scientific African (www.elsevier.com/locate/sciaf)
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84. Iweobodo D. C., Njoseh I. N. and Apanapudor J. S. (2024) An Overview of Iweobodo-Mamadu-Njoseh Wavelet (IMNW) and Its Steps in Solving Time Fractional Advection-Diffusion Problems, Asian Research Journal of Mathematics
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85. Akpomudjere, E., Mamadu, J.E. and Njoseh, I.N. (2024) Numerical Solution of Nonlinear Schrodinger Equation using Collocation Method with Chebyshev Polynomials, Nigerian Journal of Science and Environment
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