Normal bundle to curves in quadrics

Edoardo Ballico

Displaying similar documents to “Normal bundle to curves in quadrics”

Smoothing of rational m-ropes

Edoardo Ballico, Elizabeth Gasparim, Thomas Köppe (2009)

Open Mathematics

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In a recent paper, Gallego, González and Purnaprajna showed that rational 3-ropes can be smoothed. We generalise their proof, and obtain smoothability of rational m-ropes for m ≥ 3.

On the Gauss maps of space curves in characteristic p

Hajime Kaji (1989)

Compositio Mathematica

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Gonality and Clifford index for real algebraic curves.

Edoardo Ballico (2002)

Collectanea Mathematica

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Let X be a smooth connected projective curve of genus g defined over R. Here we give bounds for the real gonality of X in terms of the complex gonality of X.

Ample vector bundles with zero loci having a bielliptic curve section.

Antonio Lanteri, Hidetoshi Maeda (2003)

Collectanea Mathematica

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On reflexive sheaves with low sectional genera on threefolds.

Ballico, Edoardo (1991)

Mathematica Pannonica

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Ample vector bundles

Robin Hartshorne (1966)

Publications Mathématiques de l'IHÉS

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Seshadri positive curves in a smooth projective $3$ -fold

Roberto Paoletti (1995)

Atti della Accademia Nazionale dei Lincei. Classe di Scienze Fisiche, Matematiche e Naturali. Rendiconti Lincei. Matematica e Applicazioni

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A notion of positivity, called Seshadri ampleness, is introduced for a smooth curve $C$ in a polarized smooth projective $3$ -fold $(X, A)$ , whose motivation stems from some recent results concerning the gonality of space curves and the behaviour of stable bundles on $P^{3}$ under restriction to $C$ . This condition is stronger than the normality of the normal bundle and more general than $C$ being defined by a regular section of an ample rank- $2$ vector bundle. We then explore some of the properties of Seshadri-ample...

On Picard bundles over Prym varieties.

L. Brambila-Paz, E. Gómez-González, F. Pioli (2001)

Collectanea Mathematica

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