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math.AG2023★ 1 cited
Philosophy of contraherent cosheaves
Leonid Positselski
Contraherent cosheaves are module objects over algebraic varieties defined by gluing using the colocalization functors. Contraherent cosheaves are designed to be used for globalizi…
math.CT2023
Semialgebras associated with nonunital algebras and -linear subcategories
Leonid Positselski
This paper is a sequel to arXiv:2307.13358 and arXiv:2308.16090. A construction associating a semialgebra with an algebra, subalgebra, and a coalgebra dual to the subalgebra played…