Historical dossier 027

Proving that P is not equal to NP and that P is not equal to the intersection of NP and co-NP

A recorded P ≠ NP claim by Ron Cohen, preserved from Woeginger’s frozen 2016 page.

Dossier: 027
Author(s): Ron Cohen
Date recorded: November 2005
Direction: P ≠ NP
Works or versions: 1
Adjudication: Not recorded
Seed source: sources/captures/woeginger-list-frozen-2016.html
Source selector: ol > li:nth-of-type(27)

Woeginger’s note — verbatim historical text

Adjudication status

Unadjudicated

Unadjudicated

No adjudication is recorded in the imported historical dossier.

Unadjudicated does not mean endorsed.

As of 24 July 2026

Links printed in the dossier

Link status checked against the held 24 July 2026 probe. A dead link does not change the claim’s status.

Link printed in the historical dossier
Live
http://www.arxiv.org/abs/cs.CC/0511085
200 · Link status checked 24 July 2026.

Cite this dossier

Plain text

The P versus NP Register. “Dossier 027: Proving that P is not equal to NP and that P is not equal to the intersection of NP and co-NP.” As of 24 July 2026.

BibTeX

@misc{pvnp-register-027-2026,
  author = {{The P versus NP Register}},
  title = {Proving that P is not equal to NP and that P is not equal to the intersection of NP and co-NP},
  year = {2026},
  note = {Dossier 027; as of 2026-07-24}
}

Event timeline

No post-seed events are recorded for this dossier. Its imported historical record remains unchanged.