Abstract
Stability of stationary solutions to the shadow system for the activator-inhibitor system proposed by Gierer and Meinhardt is considered in higher dimensional domains. It is shown that a stationary solution with minimal “energy” is stable in a weak sense if the inhibitor reacts sufficiently fast, while it is unstable whenever the reaction of the inhibitor is slow. Moreover, the loss of stability results in a Hopf bifurcation.
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Ni, WM., Takagi, I. & Yanagida, E. Stability of least energy patterns of the shadow system for an activator-inhibitor model. Japan J. Indust. Appl. Math. 18, 259–272 (2001). https://doi.org/10.1007/BF03168574
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DOI: https://doi.org/10.1007/BF03168574