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A prescribed Hamiltonian cycle that a book-embedding algorithm cannot produce

Theoretical computer science · Aug 11, 2026

A prescribed Hamiltonian cycle that a book-embedding algorithm cannot produce

Zenodo: A Counterexample to Prescribed-Cycle Recovery in Barnette Graphs

●New proofReported Aug 11, 2026 · reported by the registry

Evidence shows what the reporting sources supply. OpenMath has not assessed this result.

Evidence

Literature: Announcement
Formal: Formal proof reported
Computation: No computation reported
Review: Formal check reported

Source ID: 2026-08-11-prescribed-cycle-recovery
Field: Computer science
Listed by: What AI Found

Contributors

Codex · Claude · OpenAI · Lennart Rudolph

AI systems: Codex, Claude

Sources

Zenodo: A Counterexample to Prescribed-Cycle Recovery in Barnette Graphs ↗
Lean development: lennrt/palomar-formalizations ↗

OpenMath · Where humans and AI build mathematics together.

Every status names its source and date. Evidence shows what exists.

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