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Part of the book series: Progress in Mathematics ((PM,volume 24))

Résumé

Dans cette note, on voit qu’une simple transcription de la démonstration, fournie par Barth ([1]), du théorème de stabilité de Grauert-Mulich démontre le résultat suivant:

  • Lemme (Laudal): Soit C une courbe intègre de degré d de P3(1), non contenue dans une surface de degré s. Si la section plane générale de C est contenue dans une courbe plane de degré s, on a s2+1 gt; d.

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Bibliographie

  1. W. Barth. Some properties of stable rank-2 vector bundles on Pn. Math. Ann. 226, 125–150 (1977).

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  2. O.A. Laudal. A generalized trisecant lemma. Algebraic Geometry. Lecture Notes in math. no. 687. Springer.

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© 1982 Birkhäuser Boston, Inc.

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Gruson, L., Peskine, C. (1982). Section Plane D’Une Courbe Gauche: Postulation. In: Le Barz, P., Hervier, Y. (eds) Enumerative Geometry and Classical Algebraic Geometry. Progress in Mathematics, vol 24. Birkhäuser Boston. https://doi.org/10.1007/978-1-4684-6726-0_2

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  • DOI: https://doi.org/10.1007/978-1-4684-6726-0_2

  • Publisher Name: Birkhäuser Boston

  • Print ISBN: 978-0-8176-3106-2

  • Online ISBN: 978-1-4684-6726-0

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