Mass action kinetic deterministic models

What we have arrived at in eqn (4.4) is the usual mass action kinetic deterministic model of reaction (4.1), well known to every student of introductory physical chemistry. It may also be said that (4.4) is the induced... 

The mass action kinetic deterministic model of the reaction... 

As a direct consequence of the particular role of Dynamics, as such,in the study of non-equilibrium behaviour of chemical systems, two classes of models are to be considered, depending on which aspect one is insisting on. Formal models, of mathematical or chemical-like nature, are designed to exhibit specific dynamical behaviours, without too much concern about chemical significance. Their aim is to provide examples of evolution equations of chemical reacting systems, as described by mass action kinetics, that are able to produce those exotic behaviours, such as bistability or multistability, between various types of attractors, like steady states, oscillations or deterministic chaos. A typical historical model of that kind is the "Brusselator ... 

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