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5 papers · 2 filters
Catalan Traffic and Integrals on the Grassmannians of Lines
Taise Santiago Costa Oliveira
We prove that certain numbers occurring in a problem of paths enumeration, studied by Niederhausen (Catlan Traffic at the Beach, The Electronic Journal of Combinatorics, 9, (2002),…
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…
Limits of special Weierstrass points
Caterina Cumino, Eduardo Esteves, Letterio Gatto
Let C be the union of two general connected, smooth, nonrational curves X and Y intersecting transversally at a point P. Assume that P is a general point of X or of Y. Our main res…
Special ramification loci on the double product of a general curve
Caterina Cumino, Eduardo Esteves, Letterio Gatto
Let C be a general connected, smooth, projective curve of positive genus g. For each nonnegative integer i we give formulas for the number of pairs (P,Q) em C x C off the diagonal…
Quantum cohomology of moduli spaces of genus zero stable curves
Claudio Fontanari
We investigate the (small) quantum cohomology ring of the moduli spaces of stable n-pointed curves of genus 0. In particular, we determine an explicit presentation in the case n=5…