Sur la lissit\'e du sch\'ema Quot ponctuel embo\it\'e

Abstract

In this paper we characterise the smoothness of the nested Quot scheme of points of a smooth variety, namely the moduli space parametrising flags of 0-dimensional quotients of a fixed locally free sheaf. Our results extend Cheah's classification of smooth nested Hilbert schemes. -- Dans cet article on caract\'erise la lissit\'e du sch\'ema Quot ponctuel embo\it\'e d'une vari\'et\'e lisse, c'est-\`a-dire l'espace de modules param\'etrant les drapeaux de quotients de dimension 0 d'un faisceau localement libre fix\'e. Nos r\'esultats \'etendent la classification de Cheah concernant les sch\'emas de Hilbert ponctuels embo\it\'es.

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