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Table 1 Labels used to mark bifurcation points in one- and two-parameter bifurcation diagrams

From: M-current induced Bogdanov–Takens bifurcation and switching of neuron excitability class

Label

Bifurcation

LP

limit point (fold/saddle-node) of equilibria

red/black H

super/subcritical Andronov–Hopf

LPC

limit point (fold) of cycles

BT

Bogdanov–Takens

CP

cusp

GH

generalised Hopf (Bautin)