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math.AG2020★ 1 cited
Tropical compactification via Ganter's algorithm
Lars Kastner, Kristin Shaw, Anna-Lena Winz
We describe a canonical compactification of a polyhedral complex in Euclidean space. When the recession cones of the polyhedral complex form a fan, the compactified polyhedral comp…
math.AG2018
Immaculate line bundles on toric varieties
Klaus Altmann, Jarosław Buczyński, Lars Kastner +1
We call a sheaf on an algebraic variety immaculate if it lacks any cohomology including the zero-th one, that is, if the derived version of the global section functor vanishes. Suc…