On algebraic curves.
On approximate roots of a polynomial.
On Automorphisms of Prime Order of a Riemann Surface as Matrices.
On glueing curves on surfaces and zero cycles
The structure of the group of a surface with prescribed singularities is investigated.
On Holomorphic Curves in Algebraic Varieties with Ample Regularity.
On limiting rational curves.
On Monomial curves and Cohen-Macaulay type.
On p-hyperellipticity of doubly symmetric Riemann surfaces.
Studying commuting symmetries of p-hyperelliptic Riemann surfaces, Bujalance and Costa found in [3] upper bounds for the degree of hyperellipticity of the product of commuting (M - q)- and (M - q')-symmetries, depending on their separabilities. Here, we find necessary and sufficient conditions for an integer p to be the degree of hyperellipticity of the product of two such symmetries, taking into account their separabilities. We also give some results concerning the existence and uniqueness of symmetries...
On set theoretic complete intersections in P3k.
On smooth curves passing through rational surface singularities.
On the conjectures of Mordell and Lang in positive characteristics.
On the Exceptional Tangents to a Smooth, Plane Curve.
On the Gauss maps of space curves in characteristic p
On the graded Betti numbers for large finite subsets of curves
We prove a recent conjecture of S. Lvovski concerning the periodicity behaviour of top Betti numbers of general finite subsets with large cardinality of an irreducible curve C ⊂ ℙⁿ.
On the homogeneous ideal of the generic union of lines in ...3.ö
On the hypersurfaces containing a general projective curve
On the length of a extremal rational curve.
On the variety of special linear systems on an algebraic curve.