Subcritical refers to a regime in dynamical systems where a bifurcation occurs but does not lead to the emergence of stable branches or new equilibria. In this context, it often describes a scenario where system changes are subtle and do not produce significant alterations in stability or behavior until parameters reach a critical threshold. This concept is particularly relevant when discussing bifurcations, where small changes in parameters can lead to different dynamical behaviors, especially near the point of bifurcation.
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