Boundary value problems Differential equations, Elliptic 27 Numerical solutions 15 Differential equations, Partial 13 Mathematical models 11 Differential operators 10 Bifurcation theory 6 more ... Differential equations 6 Differential equations, Parabolic 6 Elliptic operators 6 Mathematical physics 6 Asymptotic theory 5 Manifolds (Mathematics) 5 Markov processes 5 Singularities (Mathematics) 5 Complexes 4 Differential equations, Hyperbolic 4 Elasticity 4 Minimal surfaces 4 Symplectic manifolds 4 Analytic functions 3 Entropy (Information theory) 3 Fourier series 3 Fredholm operators 3 Functionals 3 Geometry, Differential 3 Gravity waves 3 Hodge theory 3 Hyperfunctions 3 Inequalities (Mathematics) 3 less ...