Titlebook: Structural Stability in Physics; Proceedings of Two I Werner Güttinger,Horst Eikemeier Conference proceedings 1979 Springer-Verlag Berlin H

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Structural Stability in Evolving Flow Fieldse structurally stable singularities are folds, which are lines, and cusps, which are isolated points on the folds [2]. In three dimensions they are fold surfaces, which contain ribs, and the ribs themselves may contain isolated singular points. As the field changes with time these singularities inte

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