Approximate Gradient Projection Method with Runge-Kutta Schemes for Optimal Control Problems. - Ion Chryssoverghi; John Coletsos; B. Kokkinis (Comput. Optim. Appl., 2004)

Classical and Relaxed Optimization Methods for Nonlinear Parabolic Optimal Control Problems. - Ion Chryssoverghi; John Coletsos; B. Kokkinis (LSSC, 2009)

Classical and Relaxed Progressively Refining Discretization-Optimization Methods for Optimal Control Problems Defined by Ordinary Differential Equations. - Ion Chryssoverghi; John Coletsos; B. Kokkinis (LSSC, 2011)

Optimal Control of Nonlinear Elliptic PDEs - Theory and Optimization Methods. - John Coletsos; B. Kokkinis (LSSC, 2013)

A relaxation approach to optimal control of Volterra integral equations. - John Coletsos (Eur. J. Control, 2018)

A dynamic integer programming approach for free flight air traffic management (ATM) scenario with 4D-trajectories and energy efficiency aspects. - Charis Ntakolia; Hernan Caceres; John Coletsos (Optim. Lett., 2020)