Problem packetResearch packetR1377
Dated status and exact unresolved remainder
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The record cites sources for its explanation.
Recorded status: reported
Recorded scope: No scope is recorded.
Originating problem: Logarithmic dimension for almost-equilateral sets in Banach spaces
Authored record and scope
- Authored title
- Dated status and exact unresolved remainder
- Record type
- claim
- Stored status
- reported
- Evidence grade
- sourced
2Authored explanation
The packet's cited sources and equivalent formulations were checked in the dated review recorded below.
Strongest checked result: The MathOverflow page has zero answers. Checked literature gives the logarithmic bound for classical l_p spaces and a general log-squared-type bound, while no source located in the dated search establishes the stated uniform logarithmic bound for all norms.
Exact unresolved remainder: Prove the existence of C(epsilon) with the displayed universal quantifiers, or construct a fixed epsilon and a sequence of d-dimensional Banach spaces whose largest epsilon-almost-equilateral sets have subexponential size in d. A quantitative result must state all dependencies on epsilon and may rescale a constructed set only by a single common factor.
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3Evidence
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Verification source: doi.org ↗, main low-dimensional embedding theorem and coding construction for finite ultrametrics in classical l_p spaces
4What was measured
5How it connects
Replaces
- claim
Recorded for
- problem
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}7Provenance
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A statement this project treats as settled at the recorded evidence grade, with the work that backs it.