Publications

A- Books

1-Statistical Model for Categorical Data: Multidimensional Scaling Method for Categorical 2014, by Ayad M. Ramadan, Henning Laeuter.

Two books under publication

Introduction to Mathematical Modeling.

Linear Programming with Maple.

B- Journal Publications

1- Ramadan, A. M., A New Algorithm for Optimality, Journal of Kurdistan Academics Association, Part A, 1(1), 2001, 75-79.

2-  Ramadan, A. M., Adil K. Jabbar  Invariable (2 X 2) Linear Systems, Journal of Zankoy Sulaimani, Part A, 5, 2002, 51-56.

3- Ramadan, A. M., New Local Search for Multi Objective Functions, Journal of Kurdistan Academics Association, Part A, Vol. 2, No. 1, 2003, 65-69.

4- Ramadan, A. M., Single Machine Scheduling to Minimize Weighted Sum of Completion Times Added with the Maximum Tardiness, A Branch and Bound Approach, Part A, 8A (1), 2005, 141-145.

5- Ramadan, A. M., Jabbar, A. K., Techniques of Finding Lower Bounds in Multi Objective Functions.   Al- Rafiden Journal of Computer Sciences and Mathematics, 3 (2), 2006, 23-29.

6- Ramadan, A. M., Modified Algorithm for Scheduling problem with Efficient Solutions, Journal of Kirkuk University-Scientific Studies, 5 (1), 2009, 106-114.

7- Ramadan, A. M., Henning Laeuter, Modeling and Scaling of Categorical Data, Mathematical and Statistical Models and Methods in Reliability. Statistics of Industry and Technology, 2010, Part 2, 255-264.

8- Ramadan, A. M., Henning Laeuter, Statistical Model for Categorical Data: Multidimensional Scaling Method for Categorical Data, 2010.

9- Ramadan, A. M., Range of Lower Bounds, Journal of Applied Mathematics and Computation, 218, (3), 1008-1011, 2011. (Impact factor 3.4). [ Conference Paper]

10- Ramadan, A. M., Two Algorithms for Solving Single Machine Sequencing Problems, Journal of Zankoy Sulaimani, (9-10) 1, 2012.

11- Ramadan, A. M., Henning Laeuter, New Approach for Multidimensional Scaling with Categorical Data, Journal of Applied Functional Analysis, 8 (2), 246-252, 2013. [ Conference Paper]‏

12- Ramadan, A. M., Nariman N. A., Application of Coupled XFEM-BCQO in the Structural Optimization of a Circular Tunnel Lining Subjected to a Ground Motion, Frontiers of Structural and Civil Engineering, 13, 2019, 1495–1509. (Impact factor 3.1)

13- Snoor O Abdalla, Ramadan, A. M., Ronak M Abdullah,  Transforming and Solving Multi-Objective Linear Plus Linear Fractional Programming Problem, Diyala Journal for Pure Science 16 (04), 2020, 40-58. 

14- Ramadan, A. M., Hidayat G., Ranking of Fuzzy Numbers by using Scaling Method, Passer Journal of Basic and Applied Sciences 3 (2), 2021, 137-143.

15- Ramadan, A. M., On Pareto Set for a Bi-criterion Scheduling Problem Under Fuzziness, Iraqi Journal of Statistical  Sciences 18 (33), 2021, 64-71.

16- Ramadan, A. M., Begard A. Amin, Novel Heuristic Approach for  Solving  Multi-objective  Scheduling Problems, Ibn Al Haitham Journal for Pure and Applied Science, 34 (3), 2021, 50-59. 

17- Nazim Abdul Nariman, Khader Hamdia, Ayad Mohammad Ramadan, Hamed Sadaghian Optimum Design of Flexural Strength and Stiffness for Reinforced Concrete Beams Using Machine Learning, Applied Sciences, 11(18), 2021, 8762, 1-15. (Impact factor 2.5)

18. Mediya B. Mrakhan, Ramadan, A. M., Rzgar F. Mahmood, Ronak M. Abdullah, A Novel Technique for Solving Multi-objective Linear Programming Problems, Mathematical Forum ISSN: 0972-9852, 28 (2), 2021, 155-165.

19- Ramadan, A. M., Dara Ali Hassan, Nezam Mehdavi Amiri, A Heuristic Approach to Minimize three Criteria using Efficient Solutions, Indonesian Journal of Electrical Engineering and Computer Science, 26 (1), 2022, 334-341. 

20- Ramadan, A. M., Hidayat G., A New Method for Ranking Fuzzy Numbers Based on Principal Component Analysis, International Journal of Science, Engineering and Management , 9 (9),  2022, 77-81.

21- Hawzhin Abduljabar Salh, Ramadan, A. M., Approaches for Solving bi-objective Single Machine Scheduling Problems, Iraqi Journal of Statistical Sciences, 19 (2), 2022, 36-41.

22- Dara A. Hassan, Nezam M. Amiri, Ramadan, A. M., Solving three Objectives Single-machine Scheduling Problem using Fuzzy Multi-objective Linear Programming, Tikrit J. Pure Sci., 27 (6), 2022, 82-87.

23- Rzgar F. Mahmood, Ramadan, A. M., Mediya B. Mrakhan, Nasyar Hussein Qader, ON Pareto Set for  a Bi-criteria Single Machine Scheduling Problem, Tikrit Journal of Pure Science, 27 (6), 2022, 88-91.

24. Akar H. Karim, Nabeel E. Arif, Ayad M. Ramadan The M-Polynomial and Nirmala index of certain composite graphs, Tikrit Journal of Pure Science, 27 (3), 2022, 92-101.

25- Ramadan, A. M., Shear Crack Control for a Reinforced Concrete T-beam using Coupled Stochastic-multi-objective Optimization Methods, AIMS Materials Science, 10 (6), 2023, 1077–1089. (Impact factor 1.8)

26- Nasyar H. Qader, Rzgar F. Mahmood, Mediya B. Mrakhan, Ramadan, A. M., Techniques to Restrict an Interval of a Lower Bound in Fuzzy Scheduling Problems, Iraqi Journal of Statistical Sciences 20 (1), 2023, 1-8. 

27- Nazim Abdul Nariman, Martin Husek, Ramadan, A. M., Surrogate Models for the Damage Responses of a Reinforced Concrete Beam under Explosive Charges Utilizing Coupled Finite Element–stochastic Methods, Engineering with Computers, 39 (1), 2023, 275-305. (Impact factor 5.7)

28- Rebaz Abdulla Sharif, Ramadan, A. M. , An Exact Solution for a Single Machine Scheduling Under Uncertainty, Jambura Journal of Mathematics 5 (1), 2023, 133-138.

29- Ramadan, A. M.,  Techniques to Restrict an Interval of a Lower Bound in Fuzzy Scheduling Problems, Iraqi Journal of Statistical Sciences 20 (1), 2023, 1-8. 

30- Rebaz Abdulla Sharif, Ramadan, A. M., On Solving Tri-criteria of Scheduling and Fuzzy Scheduling Problems, Journal of Southwest Jiaotong University 58 (6), 2023, 378-382.

31- S.O. Abdalla, N. H. Qader, G.H. Kareem, Ramadan, A. M., Ranking Fuzzy Numbers by Geometric Average Method and its Application to Fuzzy Linear Fractional Programming Problems, Iraqi Journal of Statistical Sciences, 20 (1), 2023, 82-88. 

32- Nariman, N. A., Ramadan, A. M., Ali, R., Hussain, R. R., & Saleh, S. A., Reliable Structural Stability and Damage Control of Concrete Gravity Dams During Earthquakes . Journal of Studies in Civil Engineering, 2(1), 2025, 64–84. 

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