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A counterexample to the Howland-Kato problem for positive commutators

VibeMathed recorded: A counterexample to the Howland-Kato problem for positive commutators. Consult the linked registry entry for the original report and scope.

Exact FrontierDelta

Prior state unknown→disproved

Scope and record

Occurred: Aug 7, 2026

Delta type: SOURCE CLAIM

Assumptions: VibeMathed verification: unreviewed. Publication: preprint. AI contribution: ai-co-developed. Editorial metadata: CC BY 4.0; linked content retains its own rights.

Canonical aliases: A counterexample to the Howland-Kato problem for positive commutators · Howland-Kato problem

Confidence: Not scored

Registry verification: unreviewed · preprint · resolved

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Attribution

VibeMathed
registry · event recorded by

Rupert L. Frank
human · human collaborator

Paata Ivanisvili
human · human collaborator

Grok 4.5
model · ai model contributor · xAI

Lineage and corrections

This event attributed to Rupert L. Frank

This event attributed to Paata Ivanisvili

This event attributed to Grok 4.5

A counterexample to the Howland-Kato problem for positive commutators evidence for this event

Author's announcement (X) evidence for this event

Author on Grok 4.5's role (X) evidence for this event

VibeMathed record: A counterexample to the Howland-Kato problem for positive commutators evidence for this event

Registry resolution: resolved. Reported result type: disproved. The registry record and named primary source provide the statement and scope. parent of this event

A counterexample to the Howland-Kato problem for positive commutators parent of this event

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