Source authenticated

The Ellipsoid Fitting Conjecture

Closes both gaps left open by Bandeira and Maillard: exact fitting, and removal of the operator-norm constraint. The threshold turns out to be governed by the statistical dimension d(d+1)/4 of the PSD cone.

Exact FrontierDelta

proved→proved

Scope and record

Occurred: Oct 29, 2026

Delta type: REGISTRY REVISION

Assumptions: VibeMathed verification: unreviewed. Publication: preprint. AI contribution: ai-co-developed. VibeMathed editorial classifications, scores, notes, relations, and dataset structure are CC BY 4.0. Source statements and linked content retain their own rights.

Canonical aliases: The Ellipsoid Fitting Conjecture · Ellipsoid fitting conjecture

Confidence: Not scored

Registry verification: unreviewed · preprint · resolved

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Attribution

VibeMathed
registry · event recorded by

GPT-5.6
model · ai model contributor · OpenAI

Theodor Misiakiewicz
human · human collaborator

Garrett G. Wen
human · human collaborator

Lineage and corrections

Corrects The Ellipsoid Fitting Conjecture →

Supersedes The Ellipsoid Fitting Conjecture →

This event attributed to Garrett G. Wen

Closes both gaps left open by Bandeira and Maillard: exact fitting, and removal of the operator-norm constraint. The threshold turns out to be governed by the statistical dimension d(d+1)/4 of the PSD cone. parent of this event

This event attributed to GPT-5.6

VibeMathed record: The Ellipsoid Fitting Conjecture evidence for this event

The Ellipsoid Fitting Conjecture parent of this event

The Ellipsoid Fitting Conjecture evidence for this event

This event attributed to Theodor Misiakiewicz

Act on this frontier

Verify, challenge, or extend the result.

The Ellipsoid Fitting Conjecture — Mathematical Frontier Network