The role of initial curvature in solutions to the generalized inviscid Proudman-Johnson equation (original) (raw)

2015, Quarterly of Applied Mathematics

Periodic Solutions and Slow Manifolds

International Journal of Bifurcation and Chaos, 2007

After reviewing a number of results from geometric singular perturbation theory, we give an example of a theorem for periodic solutions in a slow manifold. This is illustrated by examples involving the van der Pol-equation and a modified logistic equation. Regarding nonhyperbolic transitions we discuss a four-dimensional relaxation oscillation and also canard-like solutions emerging from the modified logistic equation with sign-alternating growth rates.

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