Differential equations-- Analysis-- Mathematics 338 Differential equations 268 Differential equations, Partial 151 Mathematics 135 Numerical solutions 86 Mathematical physics 44 Calculus 37 Boundary value problems 32 Differential equations, Nonlinear 26 Differential equations; Analysis; Mathematics 26 Differential equations, Linear 23 Mathematical models 21 Data processing 19 Numerical analysis 19 Inverse problems (Differential equations) 18 Partial differential equations 17 Engineering mathematics 16 Lecture Notes in Mathematics 16 Stochastic differential equations 15 Functional analysis 14 Partial differential Equations 14 Differential equations, Elliptic 11 MATHEMATICS / Differential Equations 11 Congresses 10 Differential equation 10 Mathematical analysis 10 Algebras, Linear 9 Differential Calculus 9 Differential Equations 9 Fourier analysis 9