We study K-stability on smooth complex Fano 4-folds having large Lefschetz defect, that is greater or equal then 3, with a special focus on the case of Lefschetz defect 3. In particular, we determine whether these Fano 4-folds are K-polystable or not, and show that there are 5 families (out of 19) of K-polystable smooth Fano 4-folds with Lefschetz defect 3.
K-polystability of Fano 4-folds with large Lefschetz defect / E.A. Romani, S.A. Secci. - (2024 Sep 05). [10.48550/arXiv.2409.03571]
K-polystability of Fano 4-folds with large Lefschetz defect
S.A. Secci
2024
Abstract
We study K-stability on smooth complex Fano 4-folds having large Lefschetz defect, that is greater or equal then 3, with a special focus on the case of Lefschetz defect 3. In particular, we determine whether these Fano 4-folds are K-polystable or not, and show that there are 5 families (out of 19) of K-polystable smooth Fano 4-folds with Lefschetz defect 3.
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