Résolution du problème des arcs de Nash pour une famille d'hypersurfaces quasi-rationnelles

Mathematics – Algebraic Geometry

Scientific paper

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Cet article va para\^itre dans les Annales de la Facult\'e des Sciences de Toulouse. 37 pages

Scientific paper

The Nash problem on arcs for normal surface singularities states that there are as many arc families on a germ (S,O) of a singular surface as there are essential divisors over (S,O). It is known that this problem can be reduced to the study of quasi-rational singularities. In this paper we give a positive answer to the Nash problem for a family of non-rational quasi-rational hypersurfaces. The same method is applied to answer positively to this problem in the case of E_6 and E_7 type singularities, and to provide new proof in the case of D_n, n> =4, type singularities.

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