Leonid Positselski - Böcker

Two Kinds of Derived Categories, Koszul Duality, and Comodule-Contramodule Correspondence

Relative Nonhomogeneous Koszul Duality

Semi-Infinite Algebraic Geometry of Quasi-Coherent Sheaves on Ind-Schemes

Quasi-Coherent Torsion Sheaves, the Semiderived Category, and the Semitensor Product

Semi-Infinite Algebraic Geometry of Quasi-Coherent Sheaves on Ind-Schemes

Quasi-Coherent Torsion Sheaves, the Semiderived Category, and the Semitensor Product

Homological Algebra of Semimodules and Semicontramodules

Semi-infinite Homological Algebra of Associative Algebraic Structures