Papers:

[25] R. Abyazi, R. Ghanbari, An efficient tabu search for solving the uncapacitated single allocation hub location problem, Computer & industrial engineering 93 (2016), 99-109. [24] S. Babaie, R. Ghanbari, An extended three-term conjugate gradient method with sufficient descent property, Miskolc Mathematical Notes, 2015. [23] R. Ghanbari, S. Sadeghi, : Erratum to“Modeling job rotation in manufacturing systems: The study of employee's boredom  and skill variations”[Int. J. Production Economics 123 (2010) 69–85.], Int. J. Production Economics 169 (2015) 55-55. [22] R. Ghanbari, Solutions of fuzzy LR algebraic linear systems using linear programs, Applied Mathematical Modelling 39, (2015) 5164-5173. [21] S. Nezhadhossein, A. Heydari, R. Ghabari, A Modified Hybrid Genetic Algorithm for Solving Nonlinear  Optimal Control Problems, Mathematical Problems in Engineering, vol. 2015, 21 pages, 2015. doi:10.1155/2015/139036 [20] M. Jafarzadeh, H.-R. Tareghiyan, F. Rahbarnia, R. Ghanbari, Optimal selection of project portfolios using reinvestment  strategy within a flexible time horizon, European Journal of Operational Research (DOI:10.1016/j.ejor.2014.12.013). [19] R. Ghanbari, S. Nezhadhosein, A. Heydari, A two-phase variable neighborhood search for solving nonlinear optimal control  problems, Iranian Journal of Numerical Analysis and Optimization (to appear). [18] S. Babaie, R. Ghanbari, An extended three-term conjugate gradient method with sufficient descent property,  Miskolc Mathematical Notes (to appear). [17] S.Babaie, R.Ghanbari, A hybridization of Hestenes-Stiefel and Dai–Yuan conjugate gradient methods based on least-squares  approach, Optimization Methods and Software (DOI:10.1080/10556788.2014.966825). [16] S. Babaie, R. Ghanbari, Two optimal Dai-Liao conjugate gradient methods, Optimization (DOI:10.1080/02331934.2014.938072). [15] S. Babaie, R. Ghanbari, A hybridization of the Polak-Ribire-Polyak and Fletcher-Reeves conjugate gradient methods, Numerical Algorithms (DOI:10.1007/s11075-014-9856-6). [14] R.Ghanbari, N.Mahdavi-Amiri, Fuzzy LR linear systems: quadratic and least squares models to characterize exact solutions  and an algorithm to compute approximate solutions, Soft Computing 19 (1) (2015) 205–216. [13] S. Babaie, R. Ghanbari, A descent extension of the Polak-Ribire-Polyak conjugate gradient method, Computers and Mathematics with Applications 68 (2014) 2005–2011. [12] R. Ghanbari, S. Nezhadhosein, A. Heydari, Integrating PSO with modified hybrid GA for solving nonlinear optimal control  problems, International Journal of Applied Mathematical Research 3 (4) (2014) 496–507. [11] S. Babaie, R. Ghanbari, Two modified three-term conjugate gradient methods with sufficient descent property, Optimization Letters 8 (2014) 2285–2297. [10] S. Babaie, R. Ghanbari, The Dai-Liao nonlinear conjugate gradient method with optimal parameter choices, European Journal of Operational Research 234 (2014) 625–630. [9] S. Babaie, R. Ghanbari, A modifie d scaled conjugate gradient method with global convergence for nonconvex functions,  Bulletin of the Belgian Mathematical Society 21 (2014) 477–465. [8] S. Babaie, R. Ghanbari, A descent family of Dai-Liao conjugate gradient methods, Optimization Methods and Software 29 (2014) 583–591. [7] S. Babaie, R. Ghanbari, Two hybrid nonlinear conjugate gradient methods based on a modified secant equation,  Optimization 63 (2014) 1027–1042. [6] S. Babaie, R. Ghanbari, N. Mahdavi-Amiri, An efficient and practically robust hybrid metaheuristic algorithm for solving  fuzzy bus terminal location problems, Asia-Pacific Journal of Operational Research 29 (2012) 1–25. [5] S. Babaie, R. Ghanbari, N. Mahdavi-Amiri, Two effective hybrid metaheuristic algorithms for minimization of multimodal  functions, International Journal of Computer Mathematics 88 (2011) 2415–2428. [4] R. Ghanbari, N. Mahdavi-Amiri, Solving bus terminal location problems using evolutionary algorithms, Applied Soft Computing 11 (2011) 991-999. [3] S. Babaie, R. Ghanbari, N. Mahdavi-Amiri, Two new conjugate gradient methods based on modified secant equations,  Journal of Computational and Applied Mathematics 234 (2010) 1374–1386. [2] R. Ghanbari, N. Mahdavi-Amiri, New solutions of LR fuzzy linear systems using ranking functions and ABS algorithms,  Applied Mathematical Modelling 34 (2010) 3363-3375. [1] R. Ghanbari, N. Mahdavi-Amiri, R. Yousefpour, Exact and approximate solutions of fuzzy LR linear systems: New algorithms  using a least squares model and the ABS approach, Iranian Journal of Fuzzy Systems 7 (2) (2010) 1–18.

Conferences:

21. S. Rahdar, R. Ghanbari, A new model for bus terminal location problem and a local search for solving it, 46nd Annual Iranian Mathematics Conference, 2015 (in Persian). 20. S. Sadeghi, R. Ghanbari, A new model for scheduling the workers with learning, 46nd Annual Iranian Mathematics Conference, 2015 (in Persian). 19. A. Aboie, R. Ghanbari, Study the numerical behaviour of Babaie-Ghanbari’s conjugate gradient algorithm on the graph portioning problems, 8th International Conference of Iranian Operations research society, 2015 (in Persian). 18.  M. Mahmoodi, R. Ghanbari, Assigning human resources to companies with matrix structure, The First International Conference of Operations Research for Optimal Decision Making in Oil, Gas, Petrochemical, and Refining and Distribution  Industries, 2014 (in Persian). 17. E. S. Alavi and R. Ghanbari, Two integer formulations for interval coloring of weighted graphs, 7th International  Conference of Iranian Operations research society, 2014. 16. R. Ghanbari, S. Babaie and J. Jaberi, How to use CUTEr in a virtual machine installed on a Windows, 7th International Conference of Iranian Operations research society, 2014 (in Persian). 15. R.Ghanbari, A. Heydari and S. Nezhadhossein, A NEW GENETIC ALGORITHM FOR SOLVING OPTIMAL CONTROL PROBLEM,  44nd Annual Iranian Mathematics Conference, 2013. 14. K. Ghorbani-Moghadam and R. Ghanbari, SOLVING FUZZY NUMBER LINEAR PROGRAMMING PROBLEMS USING A PSO  ALGORITHM AND REVISED CHEN'S METHOD, 44nd Annual Iranian Mathematics Conference, 2013. 13. A. Kanani and R. Ghanbari, An integer linear programming formulation for assigning fire fighters to fire stations,  6th International Conference of Iranian Operations Research Society, 2013. 12. A. Ghasab, R. Ghanbari and F. Rahbarnia, A quadratic binary formulation for a graph partitioning problem,  6th International Conference of Iranian Operations Research Society, 2013. 11. R. Abyazi and R. Ghanbari, A heuristic procedure for solving the uncapacited single ‎allocation hub location problem,  43nd Annual Iranian Mathematics Conference, 2012. 10. R. Ghanbari and M. Mahmoodi, A mixed nonlinear integer program to find the best approximate trapezoidal fuzzy  number,  6th International Conference on Fuzzy Information and Engineering, 2012. 9. M. Rezapour and R. Ghanbari, A heuristic algorithm for the metric k-center problem,  5th International Conference of Iranian Operations research society, 2012. 8. R. Ghanbari, A heuristic method to assign teachers to classes in a high school,  5th International Conference of Iranian Operations research society, 2012. 7. R. Ghanbari, K. Ghorbani-Moghadam and N. Mahdavi-Amiri, Fuzzy Linear Programming Problems: Models and Solutions,  The 11th Iranian Conference on Fuzzy Systems, 2011. 6. A. Ghasab and R. Ghanbari, INTRODUCTION TO ILOG OPL TO MODEL AND SOLVE MATHEMATICAL PROGRAMMING PROBLEMS,  42nd Annual Iranian Mathematics Conference, 2011. 5. E. S. Alavi and R. Ghanbari, A MIXED INTEGER MODEL FOR CAPACITATED LOT-SIZING PROBLEM WITH TRIANGULAR  SEQUENCE-DEPENDENT SETUP COSTS, 42nd Annual Iranian Mathematics Conference, 2011. 4. R. Ghanbari and N. Mahdavi-Amiri, Approximate Memetic Algorithm for Solving Bus Terminal Location  Problem,  3rd International Conference of Iranian Operations Research Society, 2010. 3. S. Babaie, R. Ghanbari and N. Mahdavi-Amiri, Two new metaheuristic algorithms for unconstrained optimization,  39th Annual Iranian Mathematics Conference, 2008. 2. R. Ghanbari and N. Mahdavi-Amiri, A new hybrid metaheuristic algorithm for solving uncapacitated facility location  problem, 9th Annual Iranian Mathematics Conference, 2008. 1. S. Babaie, R. Ghanbari and N. Mahdavi-Amiri, A modified nonlinear conjugate gradient algorithm for unconstrained optimization, ICMS International Conference of Mathematical Sciences, 2009.