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19952024
most citedTwo kinds of derived categories, Koszul duality, and comodule-contramodule correspondence

131 citations · 953 across the 64 of their papers we have counts for

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math.CT2007★ 51 cited

Homological algebra of semimodules and semicontramodules: Semi-infinite homological algebra of associative algebraic structures

Leonid Positselski

We develop the basic constructions of homological algebra in the (appropriately defined) unbounded derived categories of modules over algebras over coalgebras over noncommutative r…