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On the versal discriminant of $J_{k,0}$ singularities

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Jaworski P.

Annales Polonici Mathematici

1996

tom 63

nr 1

89-99

It is well known that the versal deformations of nonsimple singularities depend on moduli. The first step in deeper understanding of this phenomenon is to determine the versal discriminant, which roughly speaking is an obstacle to analytic triviality of an unfolding or deformation along the moduli. The versal discriminant of the Pham singularity ($J_{3,0}$ in Arnold's classification) was thoroughly investigated by J. Damon and A. Galligo [2], [3], [4]. The goal of this paper is to continue their work and to describe the versal discriminant of a general $J_{k,0}$ singularity.

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1 Annales Polonici Mathematici

1 Jaworski P.

1 1996

Wyniki wyszukiwania

On the versal discriminant of $J_{k,0}$ singularities