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- W2007648947 abstract "In this paper we classify local maxima into spikes and plateaus. We give analytic definitions for spikes and plateaus in terms of a nonlocal gradient and a fourth order derivative. In higher dimensions the Hesse matrix of $Delta f(x)$ is of relevance. This classification is applied to pattern formation models in mathematical physics and mathematical biology, including Cahn-Hilliard equations, chemotaxis equations, reaction-diffusion equations, Gierer-Meinhardt models, and Gray-Scott models. We show for some of these examples that the stability of spatial patterns depends on the spike versus plateau type of the solution. We prove, for example, that scalar reaction-diffusion equations in any spatial dimension cannot have stable spike steady states." @default.
- W2007648947 created "2016-06-24" @default.
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- W2007648947 date "2007-01-01" @default.
- W2007648947 modified "2023-09-26" @default.
- W2007648947 title "A Classification of Spikes and Plateaus" @default.
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- W2007648947 doi "https://doi.org/10.1137/050632427" @default.
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