2 papers
math.AG2026
The Weil Decoration of the Horrocks-Mumford Bundle
Klaus Altmann, Andreas Hochenegger, Frederik Witt
For a normal algebraic variety we generalise the relation between reflexive rank one sheaves and Weil divisors to reflexive sheaves of arbitrary rank and so-called Weil decorations…
math.AG2024
Toric sheaves and polyhedra
Klaus Altmann, Andreas Hochenegger, Frederik Witt
Over a smooth projective toric variety we study toric sheaves, that is, reflexive sheaves equivariant with respect to the acting torus, from a polyhedral point of view. One applica…