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Tate Resolutions on Products of Projective Spaces: Cohomology and Direct Image Complexes
Daniel Erman, David Eisenbud, Frank-Olaf Schreyer
We describe the Macaulay2 package TateOnProducts and its capabilities, which include computing cohomology tables and Beilinson monads of sheaves on products of projective spaces an…
math.AC2019
Interpolation over ZZ and torsion in class groups
John Berman, Daniel Erman
We prove an interpolation result for homogeneous polynomials over the integers, or more generally for PIDs with finite residue fields. Previous proofs of this result use the well-k…