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math.AG2026
Perverse schobers and GKZ systems
Å pela Å penko, Michel Van den Bergh
Perverse schobers are categorifications of perverse sheaves. In prior work we constructed a perverse schober on a partial compactification of the stringy Kähler moduli space (SKMS…
math.AG2026★ 2 cited
Non-commutative crepant resolutions, an overview
Michel Van den Bergh
Non-commutative crepant resolutions (NCCRs) are non-commutative analogues of the usual crepant resolutions that appear in algebraic geometry. In this paper we survey some results a…
math.AG2026
On the GKZ discriminant locus
Å pela Å penko, Michel Van den Bergh
Let be an integral matrix and let be the convex hull of its columns. By a result of Gelfand, Kapranov and Zelevinski, the so-called principal -determinant locus is equal…