Differential equations-- Analysis-- Mathematics 338 Differential equations 268 Mathematics 194 Differential equations, Partial 151 Numerical solutions 103 Mathematical physics 59 Calculus 46 Integral equations 44 Boundary value problems 37 Mathematical models 30 Lecture Notes in Mathematics 29 Differential equations, Nonlinear 26 Differential equations; Analysis; Mathematics 26 Linear equations 25 Differential equations, Linear 23 Data processing 22 Numerical analysis 22 Physics 21 Algebra 20 Inverse problems (Differential equations) 18 Quantum theory 18 Engineering mathematics 17 Functional analysis 17 Partial differential equations 17 Difference equations 16 Equations 15 Matrices 15 Stochastic differential equations 15 Applied Numerical Analysis 14 Partial differential Equations 14