Integer programming formulation for convoy movement problem. - P. N. Ram Kumar; T. T. Narendran (Int. J. Intell. Def. Support Syst., 2008)

On the usage of Lagrangean Relaxation for the convoy movement problem. - P. N. Ram Kumar; T. T. Narendran (J. Oper. Res. Soc., 2011)

Metaheuristics for solving a multi-objective flow shop scheduling problem with sequence-dependent setup times. - V. Anjana; Rajagopalan Sridharan; P. N. Ram Kumar (J. Sched., 2020)

Development of a reliable and flexible supply chain network design model: a genetic algorithm based approach. - C. R. Vishnu; Sangeeth P. Das; Rajagopalan Sridharan; P. N. Ram Kumar; N. S. Narahari (Int. J. Prod. Res., 2021)

Hybridised ant colony optimisation for convoy movement problem. - Alan J. Maniamkot; P. N. Ram Kumar; Mohan Krishnamoorthy; Hamid Mokhtar; Rajagopalan Sridharan (Ann. Oper. Res., 2022)

Locomotive assignment problem: integrating the strategic, tactical and operational level aspects. - Prashant Premkumar; P. N. Ram Kumar (Ann. Oper. Res., 2022)

An improved column generation algorithm for the disrupted flight recovery problem with discrete flight duration control and aircraft assignment constraints. - Jie Li 081; Kunpeng Li; Qiannan Tian; P. N. Ram Kumar (Comput. Ind. Eng., 2022)

An enhanced branch-and-price algorithm for the integrated production and transportation scheduling problem. - Peiyang He; Kunpeng Li; P. N. Ram Kumar (Int. J. Prod. Res., 2022)

A column generation based approach for an integrated production and transportation scheduling problem with dual delivery modes. - Kunpeng Li; Peiyang He; P. N. Ram Kumar (Int. J. Prod. Res., 2023)

An explainable AI-enabled granular ensemble machine learning framework to demystify fertilizer price movements. - Rabin K. Jana; Indranil Ghosh 003; P. N. Ram Kumar (J. Oper. Res. Soc., 2024)