We extend the notion of Clifford index to reduced curves with planar singularities by considering rank 1 torsion-free sheaves. We investigate the behaviour of the Clifford index with respect to the combinatorial properties of the curve, and we show that Green’s conjecture holds for certain classes of curves given by the union of two irreducible components.
Clifford index for reduced curves
Franciosi, Marco
2019-01-01
Abstract
We extend the notion of Clifford index to reduced curves with planar singularities by considering rank 1 torsion-free sheaves. We investigate the behaviour of the Clifford index with respect to the combinatorial properties of the curve, and we show that Green’s conjecture holds for certain classes of curves given by the union of two irreducible components.File in questo prodotto:
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