
handle: 10077/4607
Let X be a complex genus g smooth complete curve. Here we use a detailed knowledge and very refined results on the linear series on X to study the spanned vector bundles on X (e. g. for which integers d,n there are degree d spanned and stable rank n vector bundles on X). More detailed results are proved for rank 2 vector bundles. Their existence (for suitable degrees) depends strongly on the gonality of X.
Sia X una curva complessa compatta di genere g. In questo lavoro usiamo risultati molto fini sulle serie lineari di X per studiare i fibrati vettoriali generati da sezioni globali su X (ad esempio per quali d, n esiste un fibrato vettoriale stabile di rango n e grado cl su X generato da sezioni globali). Risultati più completi sono dimostrati nel caso di fibrati di rango 2.
linear series, Vector bundles on curves and their moduli, Special divisors on curves (gonality, Brill-Noether theory), Divisors, linear systems, invertible sheaves, gonality, spanned vector bundles
linear series, Vector bundles on curves and their moduli, Special divisors on curves (gonality, Brill-Noether theory), Divisors, linear systems, invertible sheaves, gonality, spanned vector bundles
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