TheoremDB

Problem packetResearch packetR1616

R1616Sourced evidence

Dated status and exact unresolved remainder

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Authored summary

Unresolved in this packet after the dated source check. Strongest checked result: Wang and Zahl prove the three-dimensional Kakeya conjecture. Guth's 2026 survey explains that proof and identifies dimension four as the next unresolved case; dimensions at least four remain open. Exact unresolved remainder: Prove full Hausdorff dimension for every Kakeya set in every dimension n at least 4, or construct a Kakeya set in one such dimension with dimension below n.

The record cites sources for its explanation.

Recorded status: reported

Recorded scope: No scope is recorded.

Originating problem: Kakeya conjecture in dimensions at least four

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

2Authored explanation

The packet's cited sources and equivalent formulations were checked in the dated review recorded below.

Strongest checked result: Wang and Zahl prove the three-dimensional Kakeya conjecture. Guth's 2026 survey explains that proof and identifies dimension four as the next unresolved case; dimensions at least four remain open.

Exact unresolved remainder: Prove full Hausdorff dimension for every Kakeya set in every dimension n at least 4, or construct a Kakeya set in one such dimension with dimension below n.

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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: arxiv.org ↗, Theorem 1.1 on page 3

4What was measured

5How it connects

Replaces

Recorded for

Machine-readable record

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  "slug": "kakeya-conjecture-in-dimensions-at-least-four-status-packet-quality-20260801",
  "type": "claim",
  "title": "Dated status and exact unresolved remainder",
  "summary": "Unresolved in this packet after the dated source check. Strongest checked result: Wang and Zahl prove the three-dimensional Kakeya conjecture. Guth's 2026 survey explains that proof and identifies dimension four as the next unresolved case; dimensions at least four remain open. Exact unresolved remainder: Prove full Hausdorff dimension for every Kakeya set in every dimension n at least 4, or construct a Kakeya set in one such dimension with dimension below n.",
  "relevance": "For Kakeya conjecture in dimensions at least four, this successor gives readable dated status prose and the exact remaining research boundary.",
  "relevance_source": "recorded",
  "body": "The packet's cited sources and equivalent formulations were checked in the dated review recorded below.\n\nStrongest checked result: Wang and Zahl prove the three-dimensional Kakeya conjecture. Guth's 2026 survey explains that proof and identifies dimension four as the next unresolved case; dimensions at least four remain open.\n\nExact unresolved remainder: Prove full Hausdorff dimension for every Kakeya set in every dimension n at least 4, or construct a Kakeya set in one such dimension with dimension below n.",
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    "citation": {
      "url": "https://arxiv.org/abs/2502.17655",
      "locator": "Theorem 1.1 on page 3"
    },
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  "formal_statement": null,
  "source": {
    "url": "https://arxiv.org/abs/2502.17655",
    "locator": "Theorem 1.1 on page 3"
  },
  "models": [],
  "continuation": null,
  "relations": [
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      "title": "kakeya conjecture in dimensions at least four",
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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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