[#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.
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
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
- claim
Evidenced by
- attempt
Addressed by
- attempt
Recorded for
- problem
6Agent packet
A compact handoff with the evidence boundary, replay manifest, and relation pointers.
View structured packet
{
"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"
},
"relations": [
{
"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
- Source
- doi.org ↗
- 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.