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The Journal of Mathematical Neuroscience
Fig. 5 | The Journal of Mathematical Neuroscience

Fig. 5

From: Saddle Slow Manifolds and Canard Orbits in \(\mathbb{R}^{4}\) and Application to the Full Hodgkin–Huxley Model

Fig. 5

A selection of two-dimensional submanifolds of the three-dimensional manifolds \(W^{s}(S^{s}_{\varepsilon })\) and \(W^{u}(S^{s}_{\varepsilon })\) of system (11) with \(\mu =9.2\) and \(\varepsilon =~0.01\). Panel (a) shows a piece of \(S^{s}_{\varepsilon }\) (green surface) and associated two-dimensional submanifolds of \(W^{s}(S^{s}_{\varepsilon })\) (blue surface). Panel (b) shows a piece of \(S^{s}_{\varepsilon }\) (green surface) and associated two-dimensional submanifolds of \(W^{u}(S^{s}_{\varepsilon })\) (red surface). All surfaces are rendered from the respective thick orbit segments

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