# catastrophe theory

- a theory, based on topology, for studying discontinuous processes and the mathematical models that describe them.

## Origin of catastrophe theory^{}

First recorded in 1970–75

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# catastrophe theory

- a mathematical theory that classifies surfaces according to their form
- the popular application of this theory to the explanation of abruptly changing phenomena, as by the discontinuity of a line on the topmost fold of a folded surface

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