2 papers
math.CO2010
Isotropic subspaces of Orlik-Solomon algebras
Miguel A. Marco-Buzunariz
We give a combinatorial characterization of isotropic subspaces in the Orlik- Solomon algebra of a hyperplane arrangement in terms of decorations of its intersection lattice. We th…
math.AG2010
The Max Noether Fundamental Theorem is Combinatorial
J. I. Cogolludo-Agustín, M. Á. Marco Buzunáriz
In the present paper we give a reformulation of the Noether Fundamental Theorem for the special case where the three curves involved have the same degree. In this reformulation, th…