131 citations · 953 across the 64 of their papers we have counts for
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math.CT2018★ 22 cited
Contramodules over pro-perfect topological rings
Leonid Positselski
For four wide classes of topological rings , we show that all flat left -contramodules have projective covers if and only if all flat left -c…
math.CT2018★ 5 cited
Exactness of direct limits for abelian categories with an injective cogenerator
Leonid Positselski, Jan Stovicek
We prove that the exactness of direct limits in an abelian category with products and an injective cogenerator J is equivalent to a condition on J which is well-known to characteri…