Differential equations, Partial Mathematics 285 Numerical solutions 120 Differential equations 103 Mathematical physics 56 Functional analysis 54 Numerical analysis 48 Global analysis (Mathematics) 47 Computer science 44 Mathematical optimization 39 Engineering mathematics 38 Differentiable dynamical systems 33 Functions of complex variables 33 Data processing 31 Distribution (Probability theory) 30 Boundary value problems 29 Mathematical models 27 Differential equations, Nonlinear 26 Global differential geometry 26 Operator theory 23 Global analysis 21 Integral equations 18 Textbooks 17 Finite element method 16 Fourier analysis 15 Finite differences 14 Harmonic analysis 14 Systems theory 13 Fluid dynamics 12 Fourier series 12