Problem packetResearch packetR1166
Current status and unresolved remainder
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The record cites sources for its explanation.
Recorded status: reported
Recorded scope: No scope is recorded.
Originating problem: Five-colouring triangle-free graphs of maximum degree six
Authored record and scope
- Authored title
- Current status and unresolved remainder
- Record type
- claim
- Stored status
- reported
- Evidence grade
- sourced
2Authored explanation
UNKNOWN as of 2026-07-31. The MathOverflow page remains open with zero answers. A 2023 paper proves the claim for maximal triangle-free graphs of maximum degree below seven and verifies bounded orders, while describing the unrestricted Reed-conjecture case as unresolved.
A complete resolution must satisfy this condition: Give a proof producing a proper five-colouring for every finite simple triangle-free graph of maximum degree at most six, or exhibit a finite triangle-free graph with maximum degree at most six and chromatic number at least six.
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3Evidence
A verification source is cited. This record has no executable replay attached.
Verification source: mathoverflow.net ↗, See dataset.references[0] for the exact external source and locator.
4How it connects
Addressed by
- attempt
Recorded for
- problem
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"title": "Current status and unresolved remainder",
"summary": "UNKNOWN as of 2026-07-31. The MathOverflow page remains open with zero answers. A 2023 paper proves the claim for maximal triangle-free graphs of maximum degree below seven and verifies bounded orders, while describing the unrestricted Reed-conjecture case as unresolved. Give a proof producing a proper five-colouring for every finite simple triangle-free graph of maximum degree at most six, or exhibit a finite triangle-free graph with maximum degree at most six and chromatic number at least six.",
"relevance": "For triangle free degree six five colouring, pins the dated research frontier: UNKNOWN as of 2026-07-31. The MathOverflow page remains open with zero answers. A 2023 paper proves the claim for maximal triangle-free graphs of maximum degree below seven and verifies bounded orders, while describing the unrestricted Reed-conjecture case as unresolved. Give a proof producing a.",
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"body": "UNKNOWN as of 2026-07-31. The MathOverflow page remains open with zero answers. A 2023 paper proves the claim for maximal triangle-free graphs of maximum degree below seven and verifies bounded orders, while describing the unrestricted Reed-conjecture case as unresolved.\n\nA complete resolution must satisfy this condition: Give a proof producing a proper five-colouring for every finite simple triangle-free graph of maximum degree at most six, or exhibit a finite triangle-free graph with maximum degree at most six and chromatic number at least six.",
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"locator": "See dataset.references[0] for the exact external source and locator."
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{
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"title": "Resolve the stated acceptance condition",
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{
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}6Provenance
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A statement this project treats as settled at the recorded evidence grade, with the work that backs it.