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math.AG2006
The generic special scroll of genus g in Pn. Special scrolls in P3
Luis Fuentes Garcia, Manuel Pedreira Perez
We study the generic linearly normal special scroll of genus g in P^N. Moreover, we give a complete classification of the linearly normal scrolls in P^3 of genus 2 and 3.
math.AG2006
Seshadri constants in finite subgroups of abelian surfaces
Luis Fuentes Garcia
Given an etale quotient q:X->Y of smooth projective varieties we relate the simple Seshadri constant of a line bundle M on Y with the multiple Seshadri constant of q*M in the point…