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OER
Dr. TSETIMI, JONATHAN (PROFESSOR)
Email:
jtsetimi@delsu.edu.ng
Google Scholar
Area of Specialization: Operations Research
Department of Mathematics
Dr. Tsetimi trained in Shell Petroleum Development Company (SPDC), Warri as an IT Trainer in 1992/93 and has worked severally as a Computer Programmer, System Analyst and IT trainer from 1994 to 1998. Between 1998 and 2003 Dr Tsetimi worked as a consultant in IT Management to the World Bank and African Development Bank (AfDB) with Management and Economic Development Associates Limited, (MEDAL) Lagos. He also worked briefly as a principal consultant/manager with Finesse Konsult Limited, Lagos before joining Delta State University, Abraka. He joined the services of Delta State University in August 2003 as Lecturer II in the Department of Business Administration. He is currently an Associate Professor in the Department of Mathematics. Dr Tsetimi’s area of specialization is Operations Research which employs scientific methods for problems solving and strategic management..
My Publications
TSETIMI JONATHAN (2021) Factors Affecting the Perception of Electricity Customers on the Problems of Electricity Distribution in Delta State, South-South Nigeria, International Journal of Mathematics Trends and Technology ISSN: 2231 – 5373
doi:10.14445/22315373/IJMTT-V67I6P503
Vol.67 Pages: 27-34
Tsetimi J. and Orighoyegha, M. G (2021) An M/M/s Queuing Model for Selected Petroleum Tank Farms in Oghara, Delta State, Nigeria, International Journal of Mathematics Trends and Technology ISSN: 2231 – 5373
doi:10.14445/22315373/IJMTT-V67I2P505
Vol.67 Pages: 29-35
Tsetimi J and Mamadu E. J. ( (2021) Least Squares Method For The Solution Of Fractional Fredholm Integro-Differential Equation Using MamaduNjoseh Polynomials, Ciencia e Technica Vitivinicola
http://ciencia-e-tecnica.org/
Vol.36 n. 2 Pages: 1-11
Tsetimi J and Mamadu E. J. (2021) A New Numerical Approach For Solution To Cauchy Partial Differential Equations Using Mamadu-Njoseh Polynomials, Ciencia e Technica Vitivinicola
http://ciencia-e-tecnica.org/
Vol.36 n. 3 Pages: 1-8
Tsetimi J., Atonuje, A. O. Apanapusor S, J. and Mamadu E. J. (2021) Dataset On Customers’ Perception Ratings On Problems With Electricity Distribution In Metropolitan Lagos, South-West, Nigeria, Ciencia e Technica Vitivinicola
http://ciencia-e-tecnica.org/
Vol.36 n. 5 Pages: 1-19
Apanapudor J. S. and Tsetimi J (2020) On Stochastic Bellman Equation: Using Conditional Certainty Property Expectations, FUW Trends in Science and Technology Journal / FUW
http://www.ftstjournal.com/Digital%20Library/51%20Article%2025.php
Vol.5 Pages: 126-129
Tsetimi J. (2018) Decomposition Variation Iteration Method for Solving Delay Differential Equations , Transactions of Nigerian Association of Mathematical Physics / Nigerian Association of Mathematical Physics
http://e.nampjournals.org/product-info.php?pid3386.html
Vol.5 Pages: 259-262
Mamadu E. J. and Tsetimi J. (2018) Numerical Solution of Singular Initial Value Problems in Ordinary Differential Equations, Ege University Journal of Science
Vol.42 Pages: 16-26
Ogeh K. O., Tsetimi J. and Disu A. B (2018) Numerical Solution of Sixth and Twelfth Order Boundary Value Problem Using Modified Variational Iteration Method , Transactions of Nigerian Association of Mathematical Physics / Nigerian Association of Mathematical Physics
Vol.7 Pages: 113-120
Tsetimi J., Disu A. B. and Mamadu E. J (2018) Brownian Motion Process: An Application to Investment Finance. Iteration Method , Transactions of Nigerian Association of Mathematical Physics / Nigerian Association of Mathematical Physics
Vol.7 Pages: 229-232
Ogeh K. O., Tsetimi J. and Disu A. B (2018) Variational Iteration Method With Chebychev Polynomials for Solving Twelfth Order Boundary Value Problems, Nigerian Journal of Science and Environment / Faculty of Science, Delta State University, Abraka
Vol.16 Pages: 25-30
Mamadu E. J. and Tsetimi J. (2017) Elzaki Transform Decomposition Method For Solving Linear And Nonlinear Integro-Differential Equations , Journal of Nigerian Association of Mathematical Physics / Nigerian Association of Mathematical Physics
http://e.nampjournals.org/product-info.php?pid2768.html
Vol.39 Pages: 55-58
Mamadu E. J. and Tsetimi J. (2017) Variation Iteration Method for Solving SchrDinger Equations Using Adomian Polynomials , Journal of Nigerian Association of Mathematical Physics / Nigerian Association of Mathematical Physics
Vol.40 Pages: 11-14
Tsetimi J. and Atonuje, A. O. (2017) On the Fundamental properties of Incidence Matrix of Symmetric Balanced Incomplete Block Designs, , Vol. 4, pp 31 – 36, Transactions of Nigerian Association of Mathematical Physics / Nigerian Association of Mathematical Physics
Vol.4 Pages: 31-36
Atonuje, A. O. and Tsetimi J. (2017) Mathematical Formulation of an Octal – Binary Discrete Fourier Transform Algorithm, Transactions of Nigerian Association of Mathematical Physics / Nigerian Association of Mathematical Physics
Vol.4 Pages: 37-40
Tsetimi, J. and Mamadu, E. J. (2017) Comparative Solutions to Fifth Order Boundary Value Problems Using Variation Iteration Decomposition Method and Variation Iteration Method with Chebychev Polynomials , Journal of Nigerian Association of Mathematical Physics / Nigerian Association of Mathematical Physics
Vol.40 Pages: 39-42
Tsetimi J. (2016) Industrial Mathematics as a Means of Enhancing National Development., Nigerian Journal of Science and Environment / Faculty of Science, Delta State University, Abraka
https://pdfs.semanticscholar.org/6841/f15043c77cbc09780110d62dd4fcabf6a0e7.pdf
Vol.13 Pages: 275-280
Atonuje, A. O. and Tsetimi J. (2016) Suppressive Influence of Time-Space White Noise on the Explosion of Solution of Stochastic - Fokker -Planck Delay Differential Equations, Journal of Mathematics and Systems Science.
Vol.6 Pages:
Tsetimi J. (2015) An Analysis of the Poverty Situation in Delta State of Nigeria , Journal of the Nigerian Association of Mathematical Physics/ Nigerian Association of Mathematical Physics
Vol.29 Pages: 275-280
Tsetimi J. (2013) Learning Effect and Precedence Constraints in Single Machine Processing , Journal of the Nigerian Institution of Production Engineers/Nigerian Institution of Production Engineer
Vol.14 Pages: 199-207
Tsetimi J. (2013) A Survey of Some Queuing Models in Multistage Manufacturing Systems , Journal of the Nigerian Institution of Production Engineers/Nigerian Institution of Production Engineer
Vol.15 Pages: 195-201
Atonuje, A. O. and Tsetimi J. (2013) Stabilization of Non-Linear Differential Equations by Levy Process , Journal of the Nigerian Institution of Production Engineers/Nigerian Institution of Production Engineer
Vol.14 Pages: 184-194
Demaki, G. O. and Tsetimi, J. (2011) Benefits and Practical Difficulties of Interplay of Foreign Private Capital Flows and Business Ethics for the Millennium Development Goals of Global Partnership for Development. , European Journal of Economics Finance and Administrative Sciences
Vol.40 Pages: 169-173
Tsetimi J. (2010) On the Use of Heuristics for Single Machine Scheduling Problems , Journal of Engineering for Development. / Faculty of Engineering, University of Benin, Benin City
Vol.9 Pages: 1-14
Tsetimi J. (2010) Multiple Machine Scheduling Issues in Multistage Manufacturing Systems, Journal of Engineering for Development. / Faculty of Engineering, University of Benin, Benin City
Vol.9 Pages: 15-28
Tsetimi J. (2009) Learning Effects On Job Position And Actual Processing Times With Precedence Constraints In Single Machine Processing. , The Journal of the Nigerian Institution of Production Engineers / Nigerian Institution of Production Engineering
Vol.11 Pages: 4-5
Tsetimi J. (2009) Analysis Of The Modified Moore’s Algorithm For Single Machine Earliest Due Date Scheduling With Tardy Jobs, Journal of the Nigerian Institution of Production Engineers/Nigerian Institution of Production Engineer
Vol.11 Pages: 16=24
Tsetimi J. and Osiagede, F, E. U. (2008) Single Machine Scheduling Issues in Multistage Manufacturing Systems. Social and Management Sciences Review. Vol. 6. No. 1, Pp 64 – 73 , Social and Management Sciences Review / Faculty of Social Sciences, Delta State University, Abraka
Vol.6 Pages: 64-73
Tsetimi J. and Omosigho S. E. (2007) Multistage Decision Model in Conservative Stochastic Production Processes., Journal of Engineering for Development. / Faculty of Engineering, University of Benin, Benin City
Vol.8 Pages: 521 – 535
Tsetimi J. and Omosigho S. E. (2007) Production Planning and Control Models in Multistage Manufacturing Systems., Social and Management Sciences Review / Faculty of Social Sciences, Delta State University, Abraka
Vol.2 Pages: 13-29
Osiagede, F, E. U. and Tsetimi J. (2007) A Computer Aided Cost Function for Inventory Systems for a Deteriorating Item With Shortages, Journal of Mathematical Sciences
Vol.18 Pages: 93-99
Tsetimi J. and Omotor, D. G. (2007) A permutation Schedule for Two-Machine Flow Shop Scheduling Problem with due Dates Included, Social and Management Sciences Review / Faculty of Social Sciences, Delta State University, Abraka
Vol.6 Pages: 1-5
Demaki, G. O. and Tsetimi, J (2006) Proliferation of Regulation as a major cause of Crises in Taxation in Nigeria. , Readings in Conflict Management in and Peace Building in Africa./ Faculty of Social Sciences, Delta State University, Abraka
Vol.1 Pages: 161-168
Tsetimi J. and Omosigho S. E. ( (2003).) Single Machine Earliest Due Date Scheduling With Tardy Jobs. , Journal of the Nigerian Institution of Production Engineers/Nigerian Institution of Production Engineer
Vol.8 Pages: 110-117