TheoremDB
R1383claimStatus: reportedEvidence: SupportedReplay: source only

[#R1383] Current status and exact unresolved remainder

claim. OPEN as checked on 2026-08-01. Strongest checked neighboring result: General estimates and values for special pattern classes are known. Exact unresolved remainder: Give a formula or effective complete classification returning the exact integer m(u) for every avoidable u.

View evidenceOpen source ↗

1Summary

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

The strongest neighboring result found in the cited sources is: General estimates and values for special pattern classes are known.

Supported evidence. Replay readiness: source only.

2Evidence

Evidence package: source only

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

Verification source: doi.org ↗, S. Bershadsky, S. Kublanovsky, and G. Mashevitzky, “The Lyapin’s notebook: a collection of unsolved problems in Semigroup Theory,” arXiv:2604.04763 (2026). Problem 2.5 and its immediately following status paragraph

3Overview

The exact unresolved remainder is: Give a formula or effective complete classification returning the exact integer m(u) for every avoidable u.

A complete resolution must meet the following acceptance conditions: - Give a formula or effective complete classification returning the exact integer m(u) for every avoidable u.

4What was measured

As of
2026-08-01
Exact open remainder
Give a formula or effective complete classification returning the exact integer m(u) for every avoidable u.

5How it connects

Informed by

Evidenced by

Addressed by

Recorded for

6Agent packet

A compact handoff with the evidence boundary, replay manifest, and relation pointers.

View structured packet
json
{
  "schema": "theoremdb-agent-record-v1",
  "ref": "R1383",
  "content_hash": null,
  "slug": "avoidable-word-minimum-alphabet-claim-status-20260801",
  "type": "claim",
  "title": "Current status and exact unresolved remainder",
  "summary": "OPEN as checked on 2026-08-01. Strongest checked neighboring result: General estimates and values for special pattern classes are known. Exact unresolved remainder: Give a formula or effective complete classification returning the exact integer m(u) for every avoidable u.",
  "relevance": "This is the dated publication status for the canonical target Minimum avoiding alphabet for every avoidable word.",
  "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: General estimates and values for special pattern classes are known.\n\nThe exact unresolved remainder is: Give a formula or effective complete classification returning the exact integer m(u) for every avoidable u.\n\nA complete resolution must meet the following acceptance conditions:\n- Give a formula or effective complete classification returning the exact integer m(u) for every avoidable u.",
  "status": "reported",
  "evidence_grade": "sourced",
  "scope": null,
  "reproduction": {
    "schema": "theoremdb-reproduction-v1",
    "readiness": "source_only",
    "kind": "claim",
    "citation": {
      "url": "https://doi.org/10.48550/arXiv.2604.04763",
      "locator": "S. Bershadsky, S. Kublanovsky, and G. Mashevitzky, “The Lyapin’s notebook: a collection of unsolved problems in Semigroup Theory,” arXiv:2604.04763 (2026). Problem 2.5 and its immediately following status paragraph"
    },
    "missing": [
      "source",
      "command",
      "runtime",
      "expected_output"
    ]
  },
  "formal_statement": null,
  "source": {
    "url": "https://doi.org/10.48550/arXiv.2604.04763",
    "locator": "S. Bershadsky, S. Kublanovsky, and G. Mashevitzky, “The Lyapin’s notebook: a collection of unsolved problems in Semigroup Theory,” arXiv:2604.04763 (2026). Problem 2.5 and its immediately following status paragraph"
  },
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      "slug": "R1382",
      "title": "Strongest checked neighboring result",
      "object_type": "claim",
      "relation": "informs",
      "direction": "incoming"
    },
    {
      "slug": "R1380",
      "title": "Dated source and duplicate audit",
      "object_type": "attempt",
      "relation": "evidences",
      "direction": "incoming"
    },
    {
      "slug": "R1381",
      "title": "Work at the unresolved boundary",
      "object_type": "attempt",
      "relation": "addresses",
      "direction": "incoming"
    },
    {
      "slug": "avoidable-word-minimum-alphabet",
      "title": "avoidable word minimum alphabet",
      "object_type": "problem",
      "relation": "recorded_for",
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    }
  ]
}

7Provenance

View source, identifiers, and projection details
Project
avoidable-word-minimum-alphabet-release-300-source-review
Locator
S. Bershadsky, S. Kublanovsky, and G. Mashevitzky, “The Lyapin’s notebook: a collection of unsolved problems in Semigroup Theory,” arXiv:2604.04763 (2026). Problem 2.5 and its immediately following status paragraph
License
CC0-1.0
Contributors
TheoremDB maintainers
Public record
R1383
Stable alias
avoidable-word-minimum-alphabet-claim-status-20260801
Projection
Reproduction fields are derived from the immutable record.

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

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