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math.AC2023
Quiver semi-invariants and SAGBI bases
Liana Heuberger, Elana Kalashnikov
We introduce a new combinatorial structure of linked tableaux, which generalize the semi-standard tableaux that index a SAGBI basis of the Plücker coordinate ring of a flag variety…
math.AG2023
On K-moduli of Fano threefolds with degree 28 and Picard rank 4
Liana Heuberger, Andrea Petracci
We analyse the local structure of the K-moduli space of Fano varieties at a toric singular K-polystable Fano 3-fold, which deforms to smooth Fano 3-folds with anticanonical volume…