Source authenticated

Purdy's Inequality for Hyperplane Arrangements

the refined form for essential arrangements in projective three-space

Exact FrontierDelta

disproved→disproved

Scope and record

Occurred: Oct 29, 2026

Delta type: REGISTRY REVISION

Assumptions: VibeMathed verification: site-confirmed. Publication: preprint. AI contribution: ai-assisted. VibeMathed editorial classifications, scores, notes, relations, and dataset structure are CC BY 4.0. Source statements and linked content retain their own rights.

Canonical aliases: Purdy's Inequality for Hyperplane Arrangements · Purdy's inequality

Confidence: Not scored

Registry verification: site confirmed · preprint · resolved

Open the source record ↗

Attribution

VibeMathed
registry · event recorded by

ChatGPT
model · ai model contributor · OpenAI

Mateusz Michalek
human · human collaborator

Piotr Pokora
human · human collaborator

Lineage and corrections

Corrects Purdy's Inequality for Hyperplane Arrangements →

Supersedes Purdy's Inequality for Hyperplane Arrangements →

This event attributed to Piotr Pokora

This event attributed to Mateusz Michalek

This event attributed to ChatGPT

Purdy's Inequality for Hyperplane Arrangements evidence for this event

Purdy's Inequality for Hyperplane Arrangements parent of this event

the refined form for essential arrangements in projective three-space parent of this event

VibeMathed record: Purdy's Inequality for Hyperplane Arrangements evidence for this event

Act on this frontier

Verify, challenge, or extend the result.

Purdy's Inequality for Hyperplane Arrangements — Mathematical Frontier Network