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0111 · Sep 202419922001200920172026
1 result for “Casagrande-Druel”
K-polystability of Fano 4-folds with large Lefschetz defectmath.AG

The study examines K-polystability on Fano 4-folds with specific Lefschetz defects.

problem Investigating K-polystability on Fano 4-folds with Lefschetz defect at least 2.
method Examining 19 families of Fano 4-folds with Lefschetz defect 3 and 175 families with Lefschetz defect 2, proving K-polystability and instability.
result Exactly 5 out of 19 families of Fano 4-folds with Lefschetz defect 3 are K-polystable, and 5 out of 175 Casagrande-Druel Fano 4-folds with Lefschetz defect 2 are K-polystable.
Fano 4-foldsK-polystabilityLefschetz defectCasagrande-DruelK-unstable
2024-09-05abs ↗pdf ↗