22 citations · 123 across the 24 of their papers we have counts for
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math.AC2018★ 12 cited
Betti numbers of toric ideals of graphs: A case study
Federico Galetto, Johannes Hofscheier, Graham Keiper +3
We compute the graded Betti numbers for the toric ideal of a family of graphs constructed by adjoining a cycle to a complete bipartite graph. The key observation is that this famil…
math.AG2018★ 1 cited
Containment Relations among Spherical Subgroups
Johannes Hofscheier
A closed subgroup of a connected reductive group is called if a Borel subgroup in has an open orbit on . We give a combinatorial characterizat…
math.CO2018★ 3 cited
Smooth centrally symmetric polytopes in dimension 3 are IDP
Matthias Beck, Christian Haase, Akihiro Higashitani +4
In 1997 Oda conjectured that every smooth lattice polytope has the integer decomposition property. We prove Oda's conjecture for centrally symmetric -dimensional polytopes, by s…