Differential equations, Parabolic Differential equations, Elliptic 15 Differential equations, Partial 8 Boundary value problems 6 Diffusion processes 5 Heat equation 5 Wave equation 5 more ... Asymptotic theory 4 Bifurcation theory 4 Evolution equations 4 Numerical solutions 4 Adaptive control systems 3 Cauchy problem 3 Degenerate differential equations 3 Inequalities (Mathematics) 3 Reaction-diffusion equations 3 Singularities (Mathematics) 3 Attractors (Mathematics) 2 Carleman theorem 2 Conservation laws (Mathematics) 2 Differential equations, Hyperbolic 2 Differential equations, Nonlinear 2 Distributed parameter systems 2 Fluid mechanics 2 Fokker-Planck equation 2 Metric spaces 2 Multipliers (Mathematical analysis) 2 Periodic functions 2 Polynomials 2 Probabilities 2 less ...