Problem packetWorkR1378
[#R1378] Dated status and exact unresolved remainder
claim. Unresolved in this packet after the dated source check. Strongest checked result: Lackenby proves the original conjecture for thickenable balanced presentations and gives an explicit stable-move bound for that class. The unrestricted conjecture remains open. Exact unresolved remainder: Prove that every balanced presentation of the trivial group is Andrews-Curtis equivalent to the standard presentation, or give a balanced presentation of the trivial group and prove that no allowed move sequence reaches the standard presentation.
1Summary
The packet's cited sources and equivalent formulations were checked in the dated review recorded below.
Strongest checked result: Lackenby proves the original conjecture for thickenable balanced presentations and gives an explicit stable-move bound for that class. The unrestricted conjecture remains open.
Supported evidence. Replay readiness: source only.
2Evidence
A verification source is cited. This record has no executable replay attached.
Verification source: arxiv.org ↗, abstract and candidate-presentation discussion
3Overview
Exact unresolved remainder: Prove that every balanced presentation of the trivial group is Andrews-Curtis equivalent to the standard presentation, or give a balanced presentation of the trivial group and prove that no allowed move sequence reaches the standard presentation.
4What was measured
- As of
- 2026-08-01
- Strongest known result
- Lackenby proves the original conjecture for thickenable balanced presentations and gives an explicit stable-move bound for that class. The unrestricted conjecture remains open.
- Exact open remainder
- Prove that every balanced presentation of the trivial group is Andrews-Curtis equivalent to the standard presentation, or give a balanced presentation of the trivial group and prove that no allowed move sequence reaches the standard presentation.
5How it connects
Supersedes
- claim
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": "R1378",
"content_hash": null,
"slug": "andrews-curtis-conjecture-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: Lackenby proves the original conjecture for thickenable balanced presentations and gives an explicit stable-move bound for that class. The unrestricted conjecture remains open. Exact unresolved remainder: Prove that every balanced presentation of the trivial group is Andrews-Curtis equivalent to the standard presentation, or give a balanced presentation of the trivial group and prove that no allowed move sequence reaches the standard presentation.",
"relevance": "For Andrews-Curtis conjecture, 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: Lackenby proves the original conjecture for thickenable balanced presentations and gives an explicit stable-move bound for that class. The unrestricted conjecture remains open.\n\nExact unresolved remainder: Prove that every balanced presentation of the trivial group is Andrews-Curtis equivalent to the standard presentation, or give a balanced presentation of the trivial group and prove that no allowed move sequence reaches the standard presentation.",
"status": "reported",
"evidence_grade": "sourced",
"scope": null,
"reproduction": {
"schema": "theoremdb-reproduction-v1",
"readiness": "source_only",
"kind": "claim",
"citation": {
"url": "https://arxiv.org/abs/math/0302080",
"locator": "abstract and candidate-presentation discussion"
},
"missing": [
"source",
"command",
"runtime",
"expected_output"
]
},
"formal_statement": null,
"source": {
"url": "https://arxiv.org/abs/math/0302080",
"locator": "abstract and candidate-presentation discussion"
},
"models": [],
"relations": [
{
"slug": "R926",
"title": "Current status and unresolved remainder",
"object_type": "claim",
"relation": "supersedes",
"direction": "outgoing"
},
{
"slug": "andrews-curtis-conjecture",
"title": "andrews curtis conjecture",
"object_type": "problem",
"relation": "recorded_for",
"direction": "outgoing"
}
]
}7Provenance
View source, identifiers, and projection details
- Project
- andrews-curtis-conjecture-source-review
- Locator
- abstract and candidate-presentation discussion
- License
- CC0-1.0
- Contributors
- TheoremDB maintainers
- Source
- arxiv.org ↗
- Public record
- R1378
- Stable alias
- andrews-curtis-conjecture-status-packet-quality-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.