Problem packetResearch packetR1518
Strongest checked neighboring result
Link to a section
The record cites sources for its explanation.
Recorded status: reported
Recorded scope: No scope is recorded.
Originating problem: Persistent exponential stretching of a material line in two-dimensional Euler flow
Authored record and scope
- Authored title
- Strongest checked neighboring result
- Record type
- claim
- Stored status
- reported
- Evidence grade
- sourced
2Authored explanation
Very fast vorticity-gradient growth and substantial finite-time material deformation are known.
This leaves the following boundary unresolved: A single smooth example with a uniform exponential arclength lower bound for every time remains open in the checked record. The distinction is retained here so a restricted theorem, finite computation, or neighboring case is not presented as a solution of the full target.
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Replay material: source only
3Evidence
A verification source is cited. This record has no executable replay attached.
Verification source: aimath.org ↗, AIM, Small scales and singularity formation in fluid dynamics, workshop report, Problem 4. Problem 4
4What was measured
5How it connects
Informs
- claim
Recorded for
- problem
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Cite the original sources separately.
Machine-readable record
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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.