TheoremDB

Problem packetResearch packetR1469

R1469Sourced evidence

Current status and exact unresolved remainder

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Authored summary

OPEN as checked on 2026-08-01. Strongest checked neighboring result: The maintained record gives explicit constructions whose largest clique or independent set is at most \((\log n)^C\), which remains too large to yield \(N_k\ge C_0^k\). Exact unresolved remainder: Obtain any fixed exponential base greater than one by an explicit construction.

The record cites sources for its explanation.

Recorded status: reported

Recorded scope: No scope is recorded.

Originating problem: An explicit exponential lower bound for diagonal Ramsey numbers

Authored record and scope
Authored title
Current status and exact unresolved remainder
Record type
claim
Stored status
reported
Evidence grade
sourced

2Authored explanation

The problem was checked as open on 2026-08-01.

The strongest neighboring result found in the cited sources is: The maintained record gives explicit constructions whose largest clique or independent set is at most \((\log n)^C\), which remains too large to yield \(N_k\ge C_0^k\).

The exact unresolved remainder is: Obtain any fixed exponential base greater than one by an explicit construction.

A complete resolution must meet the following acceptance conditions: - Specify the construction, prove it avoids monochromatic \(K_k\), and prove \(N_k\ge C^k\) for a fixed \(C>1\) on an infinite sequence of \(k\).

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Replay material: source only

3Evidence

Replay package: source only

A verification source is cited. This record has no executable replay attached.

Verification source: www.erdosproblems.com ↗, Thomas F. Bloom, Erdős Problem #78, Erdős Problems database (living entry), accessed 2026-08-01. Problem #78, OPEN banner, statement, remarks, and bibliography

4What was measured

5How it connects

Informed by

Evidenced by

Addressed by

Recorded for

Machine-readable record

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  "slug": "constructive-exponential-ramsey-lower-bound-claim-status-20260801",
  "type": "claim",
  "title": "Current status and exact unresolved remainder",
  "summary": "OPEN as checked on 2026-08-01. Strongest checked neighboring result: The maintained record gives explicit constructions whose largest clique or independent set is at most \\((\\log n)^C\\), which remains too large to yield \\(N_k\\ge C_0^k\\). Exact unresolved remainder: Obtain any fixed exponential base greater than one by an explicit construction.",
  "relevance": "This is the dated publication status for the canonical target An explicit exponential lower bound for diagonal Ramsey numbers.",
  "relevance_source": "recorded",
  "body": "The problem was checked as open on 2026-08-01.\n\nThe strongest neighboring result found in the cited sources is: The maintained record gives explicit constructions whose largest clique or independent set is at most \\((\\log n)^C\\), which remains too large to yield \\(N_k\\ge C_0^k\\).\n\nThe exact unresolved remainder is: Obtain any fixed exponential base greater than one by an explicit construction.\n\nA complete resolution must meet the following acceptance conditions:\n- Specify the construction, prove it avoids monochromatic \\(K_k\\), and prove \\(N_k\\ge C^k\\) for a fixed \\(C>1\\) on an infinite sequence of \\(k\\).",
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      "locator": "Thomas F. Bloom, Erdős Problem #78, Erdős Problems database (living entry), accessed 2026-08-01. Problem #78, OPEN banner, statement, remarks, and bibliography"
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      "title": "Strongest checked neighboring result",
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    {
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      "title": "Work at the unresolved boundary",
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7Provenance

View source, identifiers, and projection details

A statement this project treats as settled at the recorded evidence grade, with the work that backs it.

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