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On etudie dans cet article les fibres uniformes de type (0,...,0,-1,...,-1) sur le plan projectif. On determine leurs conditions d'existence en fonction du rang et des classes de Chern. On s'interesse particulierement aux fibres de rang 4 de type (0,0,-1,-1). Des resultats concernant les fibres homogenes s'y trouvent aussi.

Fibrés uniformes de type (0, . . . , 0, - 1, . . ., -1) sur P2.