2000/03/30 by Emilia Mezzetti, Mezzetti, Emilia, Dario Portelli +1
Mathematics · #14J30 #14J70 #14M07 #14N05 #Algebraic Geometry (math.AG) #FOS: Mathematics #math.AG #msc:14J30 #msc:14J70 #msc:14M07 #msc:14N05
paper · pdf · doi:10.48550/arxiv.math/0003213
LaTeX 2.09, 25 pages
arxiv created 2000/03/30 · arxiv updated 2009/11/30
A classification theorem is given of projective threefolds that are covered by a two-dimensional family of lines, but not by a higher dimensional family.