All geometric helices on del Pezzo surfaces are related by elementary operations including tilting, implying that non-commutative crepant resolutions of their affine cones are related by mutations.
Categorical aspects of the Koll´ ar–Shepherd-Barron correspondence
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2026 2verdicts
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Presents a construction for inducing t-structures on semiorthogonal components via perverse t-structures and applies it to obtain bounded t-structures on phantom categories, Fano complements, Enriques residuals, and other examples.
citing papers explorer
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Geometric helices on del Pezzo surfaces from tilting
All geometric helices on del Pezzo surfaces are related by elementary operations including tilting, implying that non-commutative crepant resolutions of their affine cones are related by mutations.
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Inducing t-structures on semiorthogonal components
Presents a construction for inducing t-structures on semiorthogonal components via perverse t-structures and applies it to obtain bounded t-structures on phantom categories, Fano complements, Enriques residuals, and other examples.