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Fig. 11 | The Journal of Mathematical Neuroscience (JMN)

Fig. 11

From: Neural Excitability and Singular Bifurcations

Fig. 11

Behaviour of (33) on the Poincaré disc for \(\varepsilon =0\), along the SN-curve \(A_{\mathrm{sn}}^{+}(C)=\frac{C^{2}}{4}\). For \(C\le \frac{1}{2}\), the point \(p_{a}\) connects to the SN point \(p_{\pm}\). At \(C=1\), a BT point \(p_{\pm}\) occurs, not connected to \(p_{a}\), however

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