2003/06/26 by Marco Boggi, Boggi, Marco
Mathematics · #11R34 #14F35 #14G32 #14H10 #32G15 #Algebraic Geometry (math.AG) #FOS: Mathematics #math.AG #msc:11R34 #msc:14F35 #msc:14G32 #msc:14H10 #msc:32G15
paper · pdf · doi:10.48550/arxiv.math/0306379
This paper has been withdrawn. The mistake in math.AG/0209223 affects also this paper
arxiv created 2004/05/17 · arxiv updated 2009/11/30
This paper was withdrawn by the authors. The mistake in math.AG/0209223 affects also this paper.