Mathematics – Algebraic Geometry
Scientific paper
2008-05-22
Mathematics
Algebraic Geometry
Scientific paper
We study the second Gaussian map for a curve X of genus g, in relation with
the second fundamental form of the period map. We exhibit a class of infinitely
many curves with surjective second Gaussian map. We compute its rank on the
hyperelliptic and trigonal locus and show global generation of its image for X
not hyperelliptic nor trigonal.
Colombo Elisabetta
Frediani Paola
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