Differential equations, Linear 7 Differential equations, Nonlinear 3 Dissertations 3 Dissertations, Academic 3 Homotopy theory 2 Study and teaching (Secondary) 2 Computer algorithms 1 Convection 1 Data processing 1 Differential equations 1 Differential equations, Partial 1 Electrohydrodynamics 1 Heat 1 Iterative methods (Mathematics) 1 Linear systems 1 Mathematical analysis 1 Mathematics 1 Nonlinear theories 1 Parallel processing (Electronic computers) 1 Problem solving 1 Stability 1 Variational principles 1