M. Martin-deschamps

activity

19972001

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math.AG2001

Minimalité des courbes sous-canoniques

Mireille Martin-Deschamps

We prove the following result : Let $E$ be a rank 2 bundle on $P$ , the projective space of dimension 3, and $n$ a relative number such that $H^{0} E (n - 1) = 0$ and $H^{0} E (n) \neq = 0$ .…

math.AG1998

Triades et familles de courbes gauches

Robin Hartshorne, Mireille Martin-Deschamps, Daniel Perrin

Let $A$ be a noetherian ring and $R_{A}$ be the graded ring $A [X, Y, Z, T]$ . In this article we introduce the notion of a triad, which is a generalization to families of curves in ${\bf…