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math.AG2008
Newton Binomial Formulas in Schubert Calculus
Jorge Cordovez, Letterio Gatto, Taise Santiago
We prove Newton's binomial formulas for Schubert Calculus to determine numbers of base point free linear series on the projective line with prescribed ramification divisor supporte…
math.AG2007★ 1 cited
Equivariant Schubert Calculus
Letterio Gatto, Taise Santiago
Let be a torus acting on $\CC^n$ in such a way that, for all , the induced action on the grassmannian has only isolated fixed points. This paper propose…
math.AG2007★ 3 cited
Schubert Calculus on a Grassmann Algebra
Letterio Gatto, Taise Santiago
The ({\em classical}, {\em small quantum}, {\em equivariant}) cohomology ring of the grassmannian is generated by certain derivations operating on an exterior algebra of a…