The Ciliberto et al. Question on Effective Divisors of Positive Self-Intersection
Ciliberto, Knutsen, Lesieutre, Lozovanu, Miranda, Mustopa and Testa asked a question about effective divisors of positive self-intersection on smooth projective surfaces. The answer is negative, witnessed by a very non-movable effective divisor.
Exact FrontierDelta
Scope and record
Occurred: Sep 3, 2026
Delta type: REGISTRY REVISION
Assumptions: VibeMathed verification: unreviewed. Publication: preprint. AI contribution: ai-discovered. Imported under CC BY 4.0.
Canonical aliases: The Ciliberto et al. Question on Effective Divisors of Positive Self-Intersection · Very non-movable divisor
Confidence: Not scored
Registry verification: unreviewed · preprint · resolved
Attribution
VibeMathed
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Rethlas
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Jihao Liu
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VibeMathed record: The Ciliberto et al. Question on Effective Divisors of Positive Self-Intersection evidence for this event
Ciliberto, Knutsen, Lesieutre, Lozovanu, Miranda, Mustopa and Testa asked a question about effective divisors of positive self-intersection on smooth projective surfaces. The answer is negative, witnessed by a very non-movable effective divisor. parent of this event
This event attributed to ChatGPT 5.5 Pro