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math.AG2000
The Castelnuovo-Mumford regularity of an integral variety of a vector field on projective space
Eduardo Esteves
The Castelnuovo-Mumford regularity r of a complex, projective variety V is an upper bound for the degrees of the hypersurfaces necessary to cut out V. In this note we give a bound…
math.AG2000
A geometric interpretation and a new proof of a relation by Cornalba and Harris
Eduardo Esteves, Letterio Gatto
In the 80's M. Cornalba and J. Harris discovered a relation among the Hodge class and the boundary classes in the Picard group with rational coefficients of the moduli space of sta…
math.AG2000
Limit canonical systems on curves with two components
Eduardo Esteves, Nivaldo Medeiros
In the 80's D. Eisenbud and J. Harris considered the following problem: ``What are the limits of Weierstrass points in families of curves degenerating to stable curves?'' But for t…