Abstract
Thom’s theory of catastrophes essentially consists of the study of C∞ families of functions on a manifold, and in particular the variation of their critical points. In the most common applications we are concerned with potentials depending on a finite sequence of control parameters and we study the bifurcation of their equilibrium states. For the reasons given in the Introduction, we are particularly interested in stable families. Moreover, what we want to do essentially is to carry out a local study in the neighbourhood of an equilibrium point and of a given value of the parameters. Specifically, we would like to achieve a classification of the simplest and most common ’catastrophes’.
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Notes
John M(upILNOR), American mathematician, born 1931, Fields medal 1962.
We often refer to this as a quasi-static theory.
Some authors call B (rather than C) the catastrophe set.—Trans.
Should we not then call this the Minwell convention? (Remark by Christopher Zeeman.)
See the discussion in the Introduction, of which this section is an explanation.
See G.M.Beil and D.A.Lavis: Thermodynamic phase changes and catastrophe theory cited in [PS].
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© 2000 Springer-Verlag Berlin Heidelberg
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Demazure, M. (2000). Catastrophe Theory. In: Bifurcations and Catastrophes. Universitext. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-57134-3_6
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DOI: https://doi.org/10.1007/978-3-642-57134-3_6
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