Weierstrass points and double converings of curves. With application: Symmetric numerical semigroup which cannot be realized as Weierstrass semigroups.
The genus of curves over finite fields with many rational points.
Sobre curvas algebraicas y códigos correctores.
Complete arcs arising from a generalization of the Hermitian curve
We investigate complete arcs of degree greater than two, in projective planes over finite fields, arising from the set of rational points of a generalization of the Hermitian curve. The degree of the arcs is closely related to the number of rational points of a class of Artin-Schreier curves, which is calculated by using exponential sums via Coulter's approach. We also single out some examples of maximal curves.
Plane maximal curves
Quotient curves of the Suzuki curve
On -maximal curves of genus .
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