Publikationen in Zusammenarbeit mit Forschern von Instituto de Astrofísica de Andalucía (3)

2004

  1. Fundamental gaps in numerical semigroups

    Journal of Pure and Applied Algebra, Vol. 189, Núm. 1-3, pp. 301-313

  2. Fundamental gaps in numerical semigroups with respect to their multiplicity

    Acta Mathematica Sinica, English Series, Vol. 20, Núm. 4, pp. 629-646

2003

  1. The Oversemigroups of a Numerical Semigroup

    Semigroup Forum, Vol. 67, Núm. 1, pp. 145-158