Classifies all QHD degenerations of elliptic surfaces, realizes them for Dolgachev surfaces D_{a,b}, and proves the minimal slc models are unobstructed and deform to known degenerations.
Wahl singularities in degenerations of del Pezzo surfaces
2 Pith papers cite this work. Polarity classification is still indexing.
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Pith papers citing it
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math.AG 2years
2026 2verdicts
UNVERDICTED 2representative citing papers
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.
citing papers explorer
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Rational homology disk degenerations of elliptic surfaces
Classifies all QHD degenerations of elliptic surfaces, realizes them for Dolgachev surfaces D_{a,b}, and proves the minimal slc models are unobstructed and deform to known degenerations.
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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.