List of Articles Dynamical system Open Access Article Abstract Page Full-Text 1 - Analytical study of nonlinear oscillatory systems using the Hamiltonian approach technique Martin Hermann Masoud Saravi Hadi Ebrahimi Khah 10.1007/s40094-014-0133-9 Open Access Article Abstract Page Full-Text 2 - Insurance rating to increase the capital of the insurer using the theory of optimal control Mahmoud Mahmoudi Sara Dadras Open Access Article Abstract Page Full-Text 3 - A Recurrent Neural Network for Solving Strictly Convex Quadratic Programming Problems A. Ghomashi M. Abbasi Open Access Article Abstract Page Full-Text 4 - مشاهده گر ها و تابعک آنتروپی نسبی عادل گروهی یوسف محمدی محمد ابراهیمی 10.30495/ijim.2022.58876.1489 Open Access Article Abstract Page Full-Text 5 - Multistage Modified Sinc Method for Solving Nonlinear Dynamical Systems Hossein Kheiri Hossein Pourbashash