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math.AG2023
Grothendieck Duality via Diagonally Supported Sheaves
Andy Jiang
Following a formula found in the paper of Avramov, Iyengar, Lipman, and Nayak (2010) and ideas of Neeman and Khusyairi, we indicate that Grothendieck duality for finite tor-amplitu…
math.AG2023
The Derived Ring of Differential Operators
Andy Jiang
By reading a standard formula for the ring of Grothendieck differential operators in a derived way, we construct a derived (sheaf of) ring of Grothendieck differential operators fo…