Selected research history · publication v1

Cycle double cover conjecture

Follow the ideas, results and limitations over time. This is a selected history, not a complete literature survey or a measure of how close the problem is to being solved.

Current state & remaining question →

Viewing the timeline from pinned publication v1.

4 selected milestones · Source coverage checked 2026-10-13 · Historical annotation and mathematical review remain separate.

  1. preprint
  2. formalization

    Formalization

    A public full-scope Lean endpoint

    The OpenAI project reports a formalized flow-to-cover construction ending in the universal statement.

    Scope & review: No local OpenMath proof build or independent correspondence review is recorded.

    Statements & sources

    Historical annotation review: pending. The date refers to the formalization, with the precision supported by the source.

  3. announcement
  4. Date unavailable publication

    Foundation

    The classical cycle double cover question

    The question asks for edge multiplicity two, not a vertex cover or a partition into disjoint cycles.

    Scope & review: The bridgeless and loopless hypotheses are part of the selected formulation.

    Statements & sources

    Historical annotation review: pending. The date refers to the publication, with the precision supported by the source.

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