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math.AG2000
On the construction of some Buchsbaum varieties and the Hilbert scheme of elliptic scrolls in P^5
Dolores Bazan, Emilia Mezzetti
We study the degeneracy loci of general bundle morphisms from the direct sum of m copies of the structural sheaf on to , also from the point of view of the classical ge…
math.AG2000
On threefolds covered by lines
Emilia Mezzetti, Dario Portelli
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.