Merging of equilibria refers to the phenomenon where two or more equilibrium points in a dynamical system come together and eventually vanish as a parameter is varied. This process is crucial for understanding the behavior of systems near bifurcations, particularly saddle-node bifurcations, where stability and the nature of equilibria can change dramatically. As equilibria merge, they can lead to changes in system dynamics, such as the emergence of new behaviors or the loss of existing stable states.
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