Complete curves in moduli spaces of stable bundles on surfaces.
Complete families of rank 2 stable vector bundles on algebraic surfaces.
Complete systems of addition laws on Abelian varieties.
Components of the stack of torsion-free sheaves of rank 2 on ruled surfaces.
Consistent algebras and special tilting sequences.
Construction of Rank 2 semistable torsion free sheaves which are not limit of Vector bundles.
Contractions rationnelles des variétés algébriques
Convex bodies associated to linear series
In his work on log-concavity of multiplicities, Okounkov showed in passing that one could associate a convex body to a linear series on a projective variety, and then use convex geometry to study such linear systems. Although Okounkov was essentially working in the classical setting of ample line bundles, it turns out that the construction goes through for an arbitrary big divisor. Moreover, this viewpoint renders transparent many basic facts about asymptotic invariants of linear series, and opens...
Correction and Remark to "On Stable and Uniform Rank-2 Vector Bundles on P2 in Characteristic p".
Correction to ,,Rationality of Moduli Spaces of Stable Bundles". Math. Ann. 215, 251?268 (1975).
Correction to:" Spanning homogeneous vector bundles".
Corrections à l'article "Annulation du H1 et systèmes paracanoniques sur les surfaces".
Critères de platitude et de projectivité Techniques de "platification" d'un module.
Cyclic Coverings: Deformation and Torelli Theorem.