A genetic algorithm for resource investment problem with discounted cash flows. - Amir Abbas Najafi; Seyed Taghi Akhavan Niaki (Appl. Math. Comput., 2006)

A parameter-tuned genetic algorithm for the resource investment problem with discounted cash flows and generalized precedence relations. - Amir Abbas Najafi; Seyed Taghi Akhavan Niaki; Moslem Shahsavar (Comput. Oper. Res., 2009)

An efficient genetic algorithm to maximize net present value of project payments under inflation and bonus-penalty policy in resource investment problem. - Moslem Shahsavar; Seyed Taghi Akhavan Niaki; Amir Abbas Najafi (Adv. Eng. Softw., 2010)

Multiproduct single-machine production system with stochastic scrapped production rate, partial backordering and service level constraint. - Ata Allah Taleizadeh; Seyed Taghi Akhavan Niaki; Amir Abbas Najafi (J. Comput. Appl. Math., 2010)

A bi-objective model to optimize reliability and cost of system with a choice of redundancy strategies. - Amirhossain Chambari; Seyed Habib A. Rahmati; Amir Abbas Najafi; Aida Karimi (Comput. Ind. Eng., 2012)

Resource constrained project scheduling problem with discounted earliness-tardiness penalties: Mathematical modeling and solving procedure. - Yazdan Khoshjahan; Amir Abbas Najafi; Behrouz Afshar-Nadjafi (Comput. Ind. Eng., 2013)

An efficient simulated annealing algorithm for the redundancy allocation problem with a choice of redundancy strategies. - Amirhossain Chambari; Amir Abbas Najafi; Seyed Habib A. Rahmati; Aida Karimi (Reliab. Eng. Syst. Saf., 2013)

A Multi-Objective Imperialist Competitive Algorithm for solving discrete time, cost and quality trade-off problems with mode-identity and resource-constrained situations. - Elham Nabipoor Afruzi; Amir Abbas Najafi; Emad Roghanian; Mostafa Mazinani (Comput. Oper. Res., 2014)

Multi-stage stochastic mean-semivariance-CVaR portfolio optimization under transaction costs. - Amir Abbas Najafi; Siamak Mushakhian (Appl. Math. Comput., 2015)

Three self-adaptive multi-objective evolutionary algorithms for a triple-objective project scheduling problem. - Aria Shahsavar; Amir Abbas Najafi; Seyed Taghi Akhavan Niaki (Comput. Ind. Eng., 2015)

Polar support vector machine: Single and multiple outputs. - Ali Nedaie; Amir Abbas Najafi (Neurocomputing, 2016)

A quadratic reproduction based Invasive Weed Optimization algorithm to minimize periodic preventive maintenance cost for series-parallel systems. - Ali Yahyatabar; Amir Abbas Najafi (Comput. Ind. Eng., 2017)

Project scheduling and equipment planning with random breakdowns. - Abbas Shafikhani; Amir Abbas Najafi; Seyed Taghi Akhavan Niaki (RAIRO Oper. Res., 2017)

Condition based maintenance policy for series-parallel systems through Proportional Hazards Model: A multi-stage stochastic programming approach. - Ali Yahyatabar; Amir Abbas Najafi (Comput. Ind. Eng., 2018)

Portfolio Selection Using Z-Number Theory: Two Solution Methodologies. - Amirsina Jirofti; Amir Abbas Najafi (Int. J. Fuzzy Syst., 2018)

Support vector machine with Dirichlet feature mapping. - Ali Nedaie; Amir Abbas Najafi (Neural Networks, 2018)

Mean-conditional value at risk model for the stochastic project scheduling problem. - Fatemeh Rezaei; Amir Abbas Najafi; Reza Ramezanian (Comput. Ind. Eng., 2020)

Open-shop production scheduling with reverse flows. - Saba Aghighi; Seyed Taghi Akhavan Niaki; Esmaeil Mehdizadeh; Amir Abbas Najafi (Comput. Ind. Eng., 2021)

Simulation-based priority rules for the stochastic resource-constrained net present value and risk problem. - Fatemeh Rezaei; Amir Abbas Najafi; Reza Ramezanian; Erik Demeulemeester (Comput. Ind. Eng., 2021)

A bi-objective simulation-based optimization algorithm for redundancy allocation problem in series-parallel systems. - Amirhossein Chambari; Parham Azimi; Amir Abbas Najafi (Expert Syst. Appl., 2021)

Multi-Objective Multi-Skill Resource-Constrained Project Scheduling Problem Under Time Uncertainty. - Arman Ghamginzadeh; Amir Abbas Najafi; Mohammad Khalilzadeh (Int. J. Fuzzy Syst., 2021)

Utilising the fuzzy analytic network process technique to prioritise safety challenges in construction projects. - Mostafa Pouyakian; Ali Akbar Shafikhani; Amir Abbas Najafi; Behrouz Afshar-Nadjafi; Amir Kavousi (Int. J. Crit. Infrastructures, 2024)

Investigating safety development methodologies in the construction industry and identifying gaps in the studies: a review article. - Mostafa Pouyakian; Ali Akbar Shafikhani; Amir Abbas Najafi; Behrouz Afshar-Nadjafi; Amir Kavousi (Int. J. Crit. Infrastructures, 2024)

A stochastic bi-objective project scheduling model under failure of activities. - Fatemeh Rezaei; Amir Abbas Najafi; Erik Demeulemeester; Reza Ramezanian (Ann. Oper. Res., 2024)

Safety plan modelling for resource-constrained construction projects to optimise cost, time, and safety risk. - Ali Akbar Shafikhani; Mostafa Pouyakian; Amir Abbas Najafi; Behrouz Afshar-Nadjafi; Amir Kavousi (Int. J. Crit. Infrastructures, 2025)

Safety Plan Modeling for Resource-Constrained Construction Projects to Optimize Cost, Time and Safety Risk. - Behrouz Afshar-Nadjafi; Amir Abbas Najafi; Mostafa Pouyakian; Ali Akbar Shafikhani; Amir Kavousi (Int. J. Crit. Infrastructures, 2026)