2 papers
math.AG2026
Stability conditions on noncommutative crepant resolutions of 3-dimensional isolated singularities
Wahei Hara, Yuki Hirano
Let be a 3-dimensional complete local Gorenstein isolated singularity. For a basic maximal modifying -module , we construct a wall-and-chamber structure, denoted by ${\sf…
math.AG2025
Length of triangulated categories
Yuki Hirano, Martin Kalck, Genki Ouchi
We introduce the notion of composition series of triangulated categories, which generalizes full exceptional sequences. The lengths of composition series yield invariants for trian…