Algebraic Geometry: Proceedings of the International Conference held in L’Aquila, Italy, May 30–June 4, 1988 [1 ed.] 3540522174, 9783540522171, 0387522174, 9780387522173 [DJVU]

Table of contents :
Infinitesimal deformations of negative weights and hyperplane sections....Pages 1-22
On k-spanned projective surfaces....Pages 23-23
On K-spannedness for projective surfaces....Pages 24-51
On the hyperplane sections of ruled surfaces....Pages 52-66
Footnotes to a theorem of I. Reider....Pages 67-74
An obstruction to moving multiples of subvarieties....Pages 75-90
Half-canonical surfaces in IP 4 ....Pages 91-110
Groupes de points de P 2 : Caractere et position uniforme....Pages 111-116
On singular Del Pezzo varieties....Pages 117-128
Abelian surfaces in products of projective spaces....Pages 129-137
Embedded projective varieties of small invariants. III....Pages 138-154
On the existence of some surfaces....Pages 155-179
On the pluriadjoint maps of polarized normal gorenstein surfaces....Pages 180-183
On the adjoint line bundle to an ample and spanned one....Pages 184-190
Quadrics through a canonical surface....Pages 191-213
Infinitesimal view of extending a hyperplane section - deformation theory and computer algebra....Pages 214-286
Toward abel-jacobi theory for higher dimensional varieties....Pages 287-300
Reider-serrano's method on normal surfaces....Pages 301-319