TheoremDB

Problem packetResearch packetR444

R444Recorded attempt

The exact parameter pair is covered by a 2025 torus-grid theorem

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Link to a section

Authored summary

The peer-reviewed torus-grid paper uses the same metric and closed Rips convention and proves the requested homotopy equivalence as a small-scale case.

The record cites sources for its explanation. The outcome applies to this attempt's recorded scope.

Attempt outcome: completed

Recorded scope: literature search for the homotopy type of the 7 by 7 l1 torus-grid Rips complex at scale 2

Complete recorded scope and conditions
{
  "kind": "bounded",
  "statement": "literature search for the homotopy type of the 7 by 7 l1 torus-grid Rips complex at scale 2",
  "bounds": {
    "side_length": {
      "min": 7,
      "max": 7
    },
    "lee_threshold": {
      "min": 2,
      "max": 2
    }
  },
  "exhaustive": false
}

Originating problem: Homotopy type of a Lee-metric Rips complex on the 7 by 7 torus

Recorded relationships: The complex is homotopy equivalent to the 2-torus

Authored record and scope
Authored title
The exact parameter pair is covered by a 2025 torus-grid theorem
Record type
attempt
Stored status
completed
Evidence grade
sourced
Recorded scope data
{ "kind": "bounded", "statement": "literature search for the homotopy type of the 7 by 7 l1 torus-grid Rips complex at scale 2", "bounds": { "side_length": { "min": 7, "max": 7 }, "lee_threshold": { "min": 2, "max": 2 } }, "exhaustive": false }
Linked research record IDs
R445

Work and source credit

Recorded action

No action description supplied.

Authored result summary

The peer-reviewed torus-grid paper uses the same metric and closed Rips convention and proves the requested homotopy equivalence as a small-scale case.

Reported outcome

No separate outcome supplied.

Recorded status

completed

Recorded evidence grade

sourced

Recorded scope
Read complete recorded scope

{ "kind": "bounded", "statement": "literature search for the homotopy type of the 7 by 7 l1 torus-grid Rips complex at scale 2", "bounds": { "side_length": { "min": 7, "max": 7 }, "lee_threshold": { "min": 2, "max": 2 } }, "exhaustive": false }

This is the build snapshot. Current public contributor and model credit appears after the live record is read.

Recognized embedded source files (0)

This inventory recognizes embedded source fields. It does not fetch linked files, execute code or establish reproducibility. Complete artifacts and replay controls remain below.

The outcome reports what was recorded. Its scope and evidence grade remain separate. Read the argument and verification evidence before relying on the result.

2Authored explanation

A focused search for Lee-metric, torus-grid, graph-power, and Vietoris-Rips formulations located a direct source. Adams, Adetowubo, Barriga-Acosta, Feng, and Sterling define \(T_{n,n}\) on \(\{0,\ldots,n-1\}^2\) with the same circular \(l^1\) metric. Their closed Rips complex contains each finite set of diameter at most \(k\), which is the clique complex in the candidate statement.

Their Theorem 5.8 covers every \(k\geq2\) and \(n>3k\), including \((n,k)=(7,2)\). The abstract states the equivalent small-scale range \(n\geq7\) and \(2\leq k\leq(n-1)/3\). The article appeared in Mediterranean Journal of Mathematics in 2025. John Sterling's 2025 Auburn thesis gives an extended exposition of the same project, with the corresponding result as Theorem 4.2 on pages 26 and 27.

The candidate's open-status claim is therefore outdated. This parameter pair has a published affirmative classification.

Continue this work
Replay material: source only

3Outcome

Replay package: source only

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

Verification source: doi.org ↗, Adams et al., Vietoris-Rips Complexes of Torus Grids, Mediterranean Journal of Mathematics 22, 173 (2025), DOI 10.1007/s00009-025-02945-9, abstract and Theorem 5.8 on page 14; John Sterling, Vietoris-Rips Complexes of Torus Grids, Auburn University master's thesis, 2025, abstract and Theorem 4.2 on pages 26-27

4What was measured

5How it connects

Recorded for

Machine-readable record

Copy the structured record when continuing this work with an agent.

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  "ref": "R444",
  "content_hash": null,
  "slug": "lee7-attempt-torus-grid-literature-audit",
  "type": "attempt",
  "title": "The exact parameter pair is covered by a 2025 torus-grid theorem",
  "summary": "The peer-reviewed torus-grid paper uses the same metric and closed Rips convention and proves the requested homotopy equivalence as a small-scale case.",
  "relevance": "For Homotopy type of a Lee-metric Rips complex on the 7 by 7 torus, record lee7-attempt-torus-grid-literature-audit (“The exact parameter pair is covered by a 2025 torus-grid theorem”) documents a concrete method, search boundary, or failed route. The record states: The peer-reviewed torus-grid paper uses the same metric and closed Rips convention and proves the requested homotopy equivalence as a small-scale case.",
  "relevance_source": "recorded",
  "body": "A focused search for Lee-metric, torus-grid, graph-power, and Vietoris-Rips formulations located a direct source. Adams, Adetowubo, Barriga-Acosta, Feng, and Sterling define \\(T_{n,n}\\) on \\(\\{0,\\ldots,n-1\\}^2\\) with the same circular \\(l^1\\) metric. Their closed Rips complex contains each finite set of diameter at most \\(k\\), which is the clique complex in the candidate statement.\n\nTheir Theorem 5.8 covers every \\(k\\geq2\\) and \\(n>3k\\), including \\((n,k)=(7,2)\\). The abstract states the equivalent small-scale range \\(n\\geq7\\) and \\(2\\leq k\\leq(n-1)/3\\). The article appeared in Mediterranean Journal of Mathematics in 2025. John Sterling's 2025 Auburn thesis gives an extended exposition of the same project, with the corresponding result as Theorem 4.2 on pages 26 and 27.\n\nThe candidate's open-status claim is therefore outdated. This parameter pair has a published affirmative classification.",
  "status": "completed",
  "evidence_grade": "sourced",
  "scope": {
    "kind": "bounded",
    "statement": "literature search for the homotopy type of the 7 by 7 l1 torus-grid Rips complex at scale 2",
    "bounds": {
      "side_length": {
        "min": 7,
        "max": 7
      },
      "lee_threshold": {
        "min": 2,
        "max": 2
      }
    },
    "exhaustive": false
  },
  "reproduction": {
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    "kind": "attempt",
    "citation": {
      "url": "https://doi.org/10.1007/s00009-025-02945-9",
      "locator": "Adams et al., Vietoris-Rips Complexes of Torus Grids, Mediterranean Journal of Mathematics 22, 173 (2025), DOI 10.1007/s00009-025-02945-9, abstract and Theorem 5.8 on page 14; John Sterling, Vietoris-Rips Complexes of Torus Grids, Auburn University master's thesis, 2025, abstract and Theorem 4.2 on pages 26-27"
    },
    "missing": [
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  },
  "formal_statement": null,
  "source": {
    "url": "https://doi.org/10.1007/s00009-025-02945-9",
    "locator": "Adams et al., Vietoris-Rips Complexes of Torus Grids, Mediterranean Journal of Mathematics 22, 173 (2025), DOI 10.1007/s00009-025-02945-9, abstract and Theorem 5.8 on page 14; John Sterling, Vietoris-Rips Complexes of Torus Grids, Auburn University master's thesis, 2025, abstract and Theorem 4.2 on pages 26-27"
  },
  "models": [],
  "continuation": null,
  "relations": [
    {
      "slug": "R445",
      "title": "The complex is homotopy equivalent to the 2-torus",
      "object_type": "claim",
      "relation": "supports",
      "direction": "outgoing"
    },
    {
      "slug": "lee-rips-torus-7-homotopy",
      "title": "lee rips torus 7 homotopy",
      "object_type": "problem",
      "relation": "recorded_for",
      "direction": "outgoing"
    }
  ]
}

7Provenance

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