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math.AC2024
Computing Direct Sum Decompositions
Devlin Mallory, Mahrud Sayrafi
We describe and prove correctness of two practical algorithms for finding indecomposable summands of finitely generated modules over a finitely generated k-algebra R. The first alg…
math.AG2024
The tilting property for on Fano surfaces and threefolds
Devlin Mallory
Let be a smooth variety over a field of characteristic . It is a natural question whether the Frobenius pushforwards of the structure sheaf are tilting b…