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math.CT2024
Compact generators of the contraderived category of contramodules
Leonid Positselski, Jan Stovicek
We consider the contraderived category of left contramodules over a right linear topological ring with a countable base of neighborhoods of zero. Equivalently, this i…
math.RA2024
A contramodule generalization of Neeman's flat and projective module theorem
Leonid Positselski
This paper builds on top of arXiv:2306.02734. We consider a complete, separated topological ring with a countable base of neighborhoods of zero consisting of open two…
math.AG2024★ 1 cited
Roos axiom holds for quasi-coherent sheaves
Leonid Positselski
Let be either a quasi-compact semi-separated scheme, or a Noetherian scheme of finite Krull dimension. We show that the Grothendieck abelian category of qua…