Source · Paper

An O(1) Bound for the KLS Constant — second revision

PreprintPublication date Oct 4, 2026
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Overview

The second revision proposes a uniform O(1) bound, strengthening the first revision’s slowly dimension-dependent estimate.

Source publication and attributed assessments are distinct from independent OpenMath review.

Passages

The exact passages cited in OpenMath. Each passage identifies how its wording was recorded.

Passage 1 · OpenMath paraphrasePermalink

Second revision main theorem and AI acknowledgement

The second revision proposes a uniform O(1) bound, strengthening the first revision’s slowly dimension-dependent estimate.

Replaces an earlier passage. View versioned records →

Passage details

Passage ID: kls-conjecture:entry:song-new:v1

Source item: song-new

Source record: kls-conjecture:source:song:v2

Replaces passage: kls-conjecture:entry:song:v1

Also cited · arXiv:2610.01447v1

Zhao Song · Xinzhi Zhang · Preprint · Publication date Oct 1, 2026

The first revision proposes inverse Cheeger bound O(4^log* n), giving Poincaré bound O(16^log* n).

Source publication and attributed assessments are distinct from independent OpenMath review.

Passage 1 · OpenMath paraphrasePermalink

Main theorem and Poincaré conversion; exact first revision

The first revision proposes inverse Cheeger bound O(4^log* n), giving Poincaré bound O(16^log* n).

Passage details

Passage ID: kls-conjecture:entry:song:v1

Source item: song

Source record: kls-conjecture:source:song:v1

Recorded authorship

Zhao Song · Xinzhi Zhang

Zhao Song, Xinzhi Zhang

AI involvement reported by the source

The authors describe AI-assisted proof exploration and verification. Contribution claims belong to this source revision and do not constitute independent assessment.

Record details
Source ID
kls-conjecture-song
Record ID
kls-conjecture:source:song:v1
Recorded title
An O(4^log* n) Bound for the KLS Constant — first revision
Revision
arXiv:2610.01447v1
Observed
Oct 13, 2026
Source updated
Not recorded
Content SHA-256
11ded7a039724f1c925273968ead3ff1695e3161f11df5f40db7ee50ff1c1355
Update method
Compare the exact source and publish a new immutable curation revision.
Identifier policy
Stable source identity with exact versioned passages.
Check interval
90 days
Rights
metadata-link
License
Original source license and document rights apply.

OpenMath supplies its own mathematical paraphrases and links; proof text is not republished.

Source terms ↗

Used in

Explicit citations in versioned problem publications. A citation records a use; it does not confer proof or independent verification.

Kannan–Lovász–Simonovits conjecture →

Problem publication v5

A uniform Poincaré bound for isotropic log-concave measures →

Source assessment

Proposed

Uniform bound proposed by Song and Zhang in revision two

The later manuscript proposes a constant independent of dimension; independent mathematical assessment is pending.

Source date Oct 4, 2026 · Observed Oct 13, 2026

The first revision’s iterated-logarithm estimate →

Source assessment

Proposed

Slowly dimension-dependent bound proposed in revision one

Inverse Cheeger constant scales as 4^log*(n+2); the Poincaré bound uses its square.

Source date Oct 1, 2026 · Observed Oct 13, 2026

Problem context · 8 citations

Research activity

Review the current proof proposals

Compare the current revisions, the high-order tilt criterion and the later cumulant/suspension argument.

No independent review verdict or executable formal proof is recorded in this source selection.

History

The second revision proposes a constant bound

Further reading

Read the mathematical argument; inspect its Claim for assessment and scope.

Credits

Recorded authorship

Zhao Song · Xinzhi Zhang

Zhao Song, Xinzhi Zhang

AI involvement reported by the source

Song and Zhang credit GPT-6 Astra, GPT-5.6 Sol and Claude Fable 5/5.1 for extensive proof exploration and checking, with authors directing priorities and retaining responsibility.

Versions

OpenMath source records preserve exact citations. Observation dates order these records; they do not establish the latest upstream paper or proof.

  1. arXiv:2610.01447v2 · selectedObserved Oct 13, 2026 · used in current publications

    An O(1) Bound for the KLS Constant — second revision

  2. arXiv:2610.01447v1Observed Oct 13, 2026 · used in current publications

    An O(4^log* n) Bound for the KLS Constant — first revision

Record details
Source ID
kls-conjecture-song
Record ID
kls-conjecture:source:song:v2
Recorded title
An O(1) Bound for the KLS Constant — second revision
Revision
arXiv:2610.01447v2
Observed
Oct 13, 2026
Source updated
Not recorded
Content SHA-256
c69ea9c264ec83518df1ee205443fa54efe647c3c175344cbe5c75d7d091ce3d
Update method
Compare the exact source and publish a new immutable curation revision.
Identifier policy
Stable source identity with exact versioned passages.
Check interval
90 days
Rights
metadata-link
License
Original source license and document rights apply.

OpenMath supplies its own mathematical paraphrases and links; proof text is not republished.

Source terms ↗