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A counterexample to the Howland-Kato problem for positive commutators

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

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analysisAug 7, 2026Significance 25/100Registry: unreviewed

A counterexample to the Howland-Kato problem for positive commutators

Prior state unknown→disproved

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

Source authenticatedA counterexample to the Howland-Kato problem for positive commutators →
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Registry resolution: resolved. Reported result type: disproved. The registry record and named primary source provide the statement and scope.

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A counterexample to the Howland-Kato problem for positive commutators — Mathematical Frontier Network