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math.AG2024
Logarithmic vector fields and foliations on toric varieties
Daniele Faenzi, Marcos Jardim, William D Montoya
We introduce a toric version of the sheaf of logarithmic vector fields along a divisor of a simplicial toric variety. The notion is also relevant for algebraically independent fami…
math.AG2024
Saito criterion and its avatars
Daniele Faenzi, Marcos Jardim, Jean Vallès
Saito gave a nice and efficient criterion to determine whether the module of logarithmic derivation associated with a reduced divisor in a complex variety is free or not. The aim o…