34Cxx | 34B | 34 | 34D |
| 34C05 | Location of integral curves, singular points, limit cycles |
| 34C07 | Theory of limit cycles of polynomial and analytic vector fields (existence, uniqueness, bounds, Hilbert's 16th problem and ramifications) |
| 34C08 | Connections with real algebraic geometry (fewnomials, desingularization, zeros of Abelian integrals, etc.) |
| 34C10 | Oscillation theory, zeros, disconjugacy and comparison theory |
| 34C11 | Growth, boundedness, comparison of solutions |
| 34C12 | Monotone systems |
| 34C14 | Symmetries, invariants |
| 34C15 | Nonlinear oscillations, coupled oscillators |
| 34C20 | Transformation and reduction of equations and systems, normal forms |
| 34C23 | Bifurcation [See mainly 37Gxx] |
| 34C25 | Periodic solutions |
| 34C26 | Relaxation oscillations |
| 34C27 | Almost periodic solutions |
| 34C28 | Complex behavior, chaotic systems [See mainly 37Dxx] |
| 34C29 | Averaging method |
| 34C30 | Manifolds of solutions |
| 34C37 | Homoclinic and heteroclinic solutions |
| 34C40 | Equations and systems on manifolds |
| 34C41 | Equivalence, asymptotic equivalence |
| 34C45 | Method of integral manifolds |
| 34C55 | Hysteresis |
| 34C60 | Applications |
| 34C99 | None of the above, but in this section |