36 citations · 171 across the 32 of their papers we have counts for
4 papers · 1 filter
On the finite generation of valuation semigroups on toric surfaces
Klaus Altmann, Christian Haase, Alex Küronya +2
We provide a combinatorial criterion for the finite generation of a valuation semigroup associated with an ample divisor on a smooth toric surface and a non-toric valuation of maxi…
Few smooth d-polytopes with n lattice points
Tristram Bogart, Christian Haase, Milena Hering +6
We prove that, for fixed n there exist only finitely many embeddings of Q-factorial toric varieties X into P^n that are induced by a complete linear system. The proof is based on a…
Linear Systems on Tropical Curves
Christian Haase, Gregg Musiker, Josephine Yu
A tropical curve Γis a metric graph with possibly unbounded edges, and tropical rational functions are continuous piecewise linear functions with integer slopes. We define the comp…
All toric l.c.i.-singularities admit projective crepant resolutions
Dimitrios I. Dais, Christian Haase, G"unter M. Ziegler
It is known that the underlying spaces of all abelian quotient singularities which are embeddable as complete intersections of hypersurfaces in an affine space can be overall resol…