## 35Gxx General higher-order equations and systems

- 35G05 Linear higher-order equations
- 35G10 Initial value problems for linear higher-order equations
- 35G15 Boundary value problems for linear higher-order equations (1)
- 35G16 Initial-boundary value problems for linear higher-order equations
- 35G20 Nonlinear higher-order equations
- 35G25 Initial value problems for nonlinear higher-order equations
- 35G30 Boundary value problems for nonlinear higher-order equations
- 35G31 Initial-boundary value problems for nonlinear higher-order equations
- 35G35 Linear higher-order systems
- 35G40 Initial value problems for linear higher-order systems
- 35G45 Boundary value problems for linear higher-order systems
- 35G46 Initial-boundary value problems for linear higher-order systems
- 35G50 Nonlinear higher-order systems
- 35G55 Initial value problems for nonlinear higher-order systems
- 35G60 Boundary value problems for nonlinear higher-order systems
- 35G61 Initial-boundary value problems for nonlinear higher-order systems
- 35G99 None of the above, but in this section