French version


an introduction for experimentalists


The seven elementary catastrophes

Catastrophes in systems with only one state variable:

The fold catastrophe

the fold |

The cusp catastrophe

the cusp |

The swallowtail catastrophe

the swallowtail |

The butterfly catastrophe

the butterfly |

Catastrophes in systems with two state variables

The hyperbolic umbilic

the hyperbolic umbilic |

The elliptic umbilic

the elliptic umbilic |

The parabolic umbilic

the parabolic umbilic |

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Author: Lucien Dujardin

Faculté de Pharmacie BP 83 F 59006 Lille Cedex France

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