This paper concerns the existence of curves with low gonality on smooth hypersurfaces of sufficiently large degree. It has been recently proved that if X in IP^{n+1} is a hypersurface of degree d > n+1, and if C is an irreducible curve in X passing through a general point of X, then its gonality verifies gon(C) >= d-n, and equality is attained on some special hypersurfaces. Under the assumption of X a very general hypersurface of degree d >= 2n+2, we compute the least gonality c of an irreducible curve C in X passing through a general point of X apart from a series of possible exceptions, where the gonality may drop by one.
Bastianelli, F., Ciliberto, C., Flamini, F., Supino, P. (2019). Gonality of curves on general hypersurfaces. JOURNAL DE MATHÉMATIQUES PURES ET APPLIQUÉES, 125, 94-118 [10.1016/j.matpur.2019.02.016].
Gonality of curves on general hypersurfaces
CILIBERTO, CIRO;FLAMINI, FLAMINIO;
2019-01-04
Abstract
This paper concerns the existence of curves with low gonality on smooth hypersurfaces of sufficiently large degree. It has been recently proved that if X in IP^{n+1} is a hypersurface of degree d > n+1, and if C is an irreducible curve in X passing through a general point of X, then its gonality verifies gon(C) >= d-n, and equality is attained on some special hypersurfaces. Under the assumption of X a very general hypersurface of degree d >= 2n+2, we compute the least gonality c of an irreducible curve C in X passing through a general point of X apart from a series of possible exceptions, where the gonality may drop by one.File | Dimensione | Formato | |
---|---|---|---|
JMPA2019Pubb.pdf
solo utenti autorizzati
Descrizione: Articolo principale
Tipologia:
Versione Editoriale (PDF)
Licenza:
Copyright dell'editore
Dimensione
576.04 kB
Formato
Adobe PDF
|
576.04 kB | Adobe PDF | Visualizza/Apri Richiedi una copia |
I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.