Kourovka Problem 21.150 - Rank Inequality for p-Group Extensions
Registry resolution: resolved. Reported result type: disproved. The registry record and named primary source provide the statement and scope.
Exact FrontierDelta
Scope and record
Occurred: Oct 29, 2026
Delta type: REGISTRY REVISION
Assumptions: VibeMathed verification: lean-verified. Publication: preprint. AI contribution: ai-discovered. 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: Kourovka Problem 21.150 - Rank Inequality for p-Group Extensions · Kourovka 21.150
Confidence: Not scored
Registry verification: lean verified · preprint · resolved
Lineage and corrections
Corrects Kourovka Problem 21.150 - Rank Inequality for p-Group Extensions →
Supersedes Kourovka Problem 21.150 - Rank Inequality for p-Group Extensions →
VibeMathed record: Kourovka Problem 21.150 - Rank Inequality for p-Group Extensions evidence for this event
Kourovka Problem 21.150 - Rank Inequality for p-Group Extensions parent of 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
Kourovka Problem 20.125 - Noninjective Rota-Baxter Operator evidence for this event
This event attributed to Aristotle
Act on this frontier