3 papers
math.AC2025
Pseudo-dualizing complexes of torsion modules and semi-infinite MGM duality
Leonid Positselski
This paper is an MGM version of arXiv.org:1703.04266 and arXiv:1907.03364, and a follow-up to Section 5 of arXiv:1503.05523. In the setting of a commutative ring with a weakly…
math.AG2025
- duality on the contra side
Leonid Positselski
Given a smooth morphism of schemes , denote by the sheaf of rings of fiberwise crystalline differential operators on relative t…
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…