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OER
Dr. EZIMADU, PETER E. (HEAD OF DEPARTMENT)
Email:
ezimadu@delsu.edu.ng
Google Scholar
Area of Specialization: Operations Research, Game Theoretic Models, Convex Optimization
Department of Mathematics
Peter E. Ezimadu is a Senior Lecturer in the Department of Mathematics, Delta State University, Abraka, Nigeria. He holds a Ph.D. in Mathematics from the University of Ibadan, Ibadan, Nigeria (2016). He also obtained a M.Sc. Degree in Mathematics from the same university in 2006. His first degree is in Industrial Mathematics from Delta State University, Abraka, Delta State Nigeria in 2001, where he lectures at both the undergraduate and postgraduate levels. He has a number publications in local, national and internationally recognized journals. His research interest includes Game-Theoretic Mathematical Models, Convex Analysis and Optimal Control Theory.
My Publications
Ezimadu, S. O. and Ezimadu, P. E. (2023) A Mathematical Model of Optimal Manufacturer-Retailer Trade Credit Policy with End-User Credit Support, Asian Research Journal of Mathematics
https://journalarjom.com/index.php/ARJOM/article/view/660
Vol.19(5) Pages: 61-71
Ehiwario, J. C., Igabari, J. N. and Ezimadu, P. E. (2023) The Alpha Power Topp-Leone Distribution: Properties, Simulations and Applications, Journal of Applied Mathematics and Physics
https://www.scirp.org/journal/paperinformation.aspx?paperid=122826
Vol.11(1) Pages: 316-331
Ezimadu, S. O. and Ezimadu, P. E. (2023) A Three-Level Game-Theoretic Trade Credit Model in a Supply Channel, Journal of Advances in Mathematics and Computer Science
https://journaljamcs.com/index.php/JAMCS/article/view/1780
Vol.38(7) Pages: 146-159
Ezimadu, P. E. and Ezimadu, S. O. (2023) A Stackelberg Game-Theoretic Retailer-Manufacturer Credit Period Ratio Model in a Supply Channel, Science World Journal
https://www.ajol.info/index.php/swj/article/view/246292
Vol.18(1) Pages: 48-54
Ezimadu, P. E. and Ezimadu, S. O. (2022) Modelling a manufacturer-retailers trade credit supply chain using game theory, World Journal of Applied Science and Technology
https://www.ajol.info/index.php/wojast/article/view/249572
Vol.14(1b) Pages: 80-85
Ezimadu, P. E (2022) A mathematical model of cooperative advertising support to the followers in a manufacturer-distributor-retailer supply chain, International Journal of Operational Research
https://www.inderscience.com/info/inarticle.php?artid=123450
Vol.44(2) Pages: 141-170
Ezimadu, P. E and Ezimadu, S. O. (2022) A Game-Theoretic Credit Period and Promotion Model in a Supplier-Retailer Channel, Asian Research Journal of Mathematics
https://journalarjom.com/index.php/ARJOM/article/view/609
Vol.18(11) Pages: 351-361
P.E. Ezimadu, N.O. Ogini (2022) Modelling Quality as A Cooperative Advertising Coordination Mechanism in a Decentralised Channel Using Game Theory, Science World Journal
https://www.ajol.info/index.php/swj/article/view/231319
Vol.17(2) Pages: 227-233
Ezimadu, P. E. and Ezimadu, S. O. (2022) A Game-Theoretic Price Discount Model in a Manufacturer-Retailer Channel, FUW Trends in Science & Technology Journal
http://www.ftstjournal.com/Digital%20Library/72%20Article%2070.php
Vol.7(2) Pages: 1233-1237
Ezimadu, P. E. (2022) Modeling Subsidy Transfer in Cooperative Advertising Using Stackelberg Game Theory, Science World Journal
https://www.ajol.info/index.php/swj/article/view/239321; https://www.scienceworldjournal.org/article/view/23325
Vol.17(4) Pages: 455-462
Ezimadu, S. O. and Ezimadu, P. E. (2022) A Mathematical Model on Sequential Discount Transfer in a Three-Level Channel, World Journal of Applied Science and Technology
https://www.ajol.info/index.php/wojast/article/view/235947
Vol.14(1) Pages: 1-7
Ezimadu, P. E. (2020) Modelling Cooperative Advertising Decisions in a Manufacturer-Distributor-Retailer Supply Chain Using Game Theory, Yugoslav Journal of Operations Research
http://www.yujor.fon.bg.ac.rs/index.php/yujor/article/view/686
Vol.30(2) Pages: 147-176
Ezimadu, P. E. (2019) A mathematical model of the effect of subsidy transfer in cooperative advertising using differential game theory, Journal of Industrial Engineering International
https://link.springer.com/article/10.1007/s40092-018-0296-0
Vol.15 (2) Pages: 351-366
Ezimadu, P. E. and Nwozo, C. R. (2019) A manufacturer-retailers dynamic cooperative advertising with retail competition, International Journal of Operational Research
https://www.inderscience.com/info/inarticle.php?artid=96943
Vol.34 (1) Pages: 104-143
Ezimadu, P. E. (2019) A Game-theoretic cooperative advertising model: The feasibility of the distributor’s involvement in a manufacturer-distributor-retailer channel, FUW Trends in Sci. and Techn
http://www.ftstjournal.com/Digital%20Library/42%20Article%2019.php
Vol.4 (2) Pages: 416-421
Ezimadu, P. E. (2019) Modelling Subsidy as a Cooperative Advertising Channel Coordination Mechanism, Nigerian Journal of Basic and Applied Sciences
https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.njbas-udus.com/%3Fmno%3D49480&ved=2ahUKEwiOuOnK2oLpAhUb7eAKHQvjD9cQFjABegQIAhAI&usg=AOvVaw2pijBjrKOnPKbFsjJhQS1T&cshid=1587787941253
Vol.27 (2) Pages: 127-135
Ezimadu, P. E. (2019) A Stackelberg Game-Theoretic Cooperative Advertising Model: The Effect of Players' Strategies in a Three-Member Channel, FUW Trends in Science and Technology Journal
http://www.ftstjournal.com/Digital%20Library/43%20Article%2060.php
Vol. 4(3) Pages: 939-945
Ezimadu, P. E. and Nwozo, C. R. (2018) Modeling dynamic cooperative advertising in a decentralized channel, Yugoslav Journal of Operations Research
http://yujor.fon.bg.ac.rs/index.php/yujor/article/view/45
Vol.28(4) Pages: 539-566
Igabari, J. N. and Ezimadu, P. E. (2017) Relating Bernoulli Numbers and Euler Numbers from Generating Functions through Trigonometry, Transactions of the Nigerian Association of Mathematical Physics
https://www.google.com/url?sa=t&source=web&rct=j&url=http://e.nampjournals.org/product-info.php%3Fpid3157.html&ved=2ahUKEwjVyK7t3YLpAhX1DWMBHX2MB1kQFjAAegQIARAB&usg=AOvVaw1kMLcHWimKaoEOTUlGzucS&cshid=1587788751992
Vol.3 Pages: 29-32
Ezimadu, P. E. (2017) Modeling Cooperative Advertising in a Static Manufacturer-Retailers Market Duopoly, Nigerian Annals of Natural Sciences
Vol.16(1) Pages: 95-99
Ezimadu, P. E. (2017) Dynamic Cooperative Advertising Model: The Effect of Manufacturer’s Subsidy to the Followers in a Manufacturer-Distributor-Retailer Supply Channel, The Journal of the Nigerian Institution of Production Engineers
Vol.21 Pages: 107-120
Ezimadu, P. E. (2017) Modeling Cooperative Advertising in a Static Retail Market Duopoly for Decentralised and Integrated Channels, The Journal of the Nigerian Institution of Production Engineers
Vol.21 Pages: 92-106
Ezimadu, P. E. (2017) A Mathematical Model of Competitive Advertising and Quality Using Differential Game Theory, Transactions of the Nigerian Association of Mathematical Physics
http://e.nampjournals.org/product-info.php?pid3158.html
Vol.3 Pages: 33-38
Ezimadu, P. E. and Nwozo, C. R. (2017) Stochastic cooperative advertising in a manufacturer–retailer decentralized supply channel, Journal of Industrial Engineering International
https://link.springer.com/article/10.1007/s40092-016-0164-8
Vol.13(1) Pages: 1-2
Ezimadu, P. E. (2016) Cooperative Advertising in a Manufacturer-Distributor-Retailer Supply Chain, Transactions of the Nigerian Association of Mathematical Physics
http://e.nampjournals.org/product-info.php?pid3141.html
Vol.2 Pages: 205-216
Ezimadu, P. E. and Ogini, N. O. (2014) Modelling Cooperative Advertising, Pricing and Product Quality in a Manufacturer-Retailer Supply Chain Using Game Theory, Journal of Mathematical Sciences
http://icfas.net/p/8e98d81f8217304975ccb23337bb5761
Vol.25 (2) Pages: 69-83
Ezimadu, P. E. (2014) A Characterization of Uniformly Convex Functions, Journal of Mathematical Sciences
Vol.25(1) Pages: 49-57
Ezimadu, P. E. (2014) Conditions for the Convexity of a Class of Twice Continuously Differentiable Real-Valued Functions of Several Variables, Journal of the Nigerian Association of Mathematical Physics, NAMP
http://e.nampjournals.org/product-info.php?pid1814.html
Vol.26 Pages: 22-27
Ezimadu, P. E. (2013) Characterizations of Real-Valued Single Variable Quasiconcave Functions, Nigerian Journal of Science and Environment, NJSE
http://universityjournals.org/journal/NJSE/article-abstract/BC8BAA24
Vol.12 (1) Pages: 158-166
Ezimadu, P. E. (2012) A Generalization of Sufficient Conditions for Quasiconcavity of Twice Differentiable Real-Valued Single-Variable Functions, Journal of the Nigerian Association of Mathematical Physics, NAMP
http://e.nampjournals.org/product-info.php?pid1358.html
Vol.21 Pages: 27-34
Ezimadu, P. E. (2011) Sufficient Conditions for Quasiconcavity for a Class of Twice Continuously Differentiable Real-valued Several Variable Functions, Journal of Mathematical Sciences
Vol.23(2) Pages: 285-295
Ezimadu, P. E. (2010) A Generalization of Sufficient Conditions for the Convexity of Twice Differentiable Real-valued Single-Variable Functions, Journal of the Nigerian Association of Mathematical Physics, NAMP
http://e.nampjournals.org/product-info.php?pid937.html
Vol.16 Pages: 407-412
Ezimadu, P. E. and Igabari, J. N. (2009) A Derivative and Integral Characterization of Real-Valued Convex Functions of Single Variable through the Geometric Chord Property, Journal of the Nigerian Association of Mathematical Physics, NAMP
http://e.nampjournals.org/product-info.php?pid798.html
Vol.15 Pages: 283-288
Ezimadu, P. E. and Igabari, J. N. (2008) On a Differential and Integral Characterization of Real-Valued Convex Functions of Several Variables, Journal of the Nigerian Association of Mathematical Physics, NAMP
http://e.nampjournals.org/product-info.php?pid713.html
Vol.13 Pages: 83-86