نتایج جستجو برای: covers

تعداد نتایج: 34111  

Journal: :Proceedings of the American Mathematical Society 1999

Journal: :Journal of Topology and Analysis 2020

Journal: :Communications in Algebra 2003

Journal: :Applied Categorical Structures 2011

Journal: :Fundamenta Mathematicae 2011

Journal: :Journal of Singularities 2015

Journal: :Transactions of the American Mathematical Society 2001

Journal: :European Journal of Mathematics 2015

Journal: :International Mathematics Research Notices 2021

Abstract We show that a direct limit of projective contramodules (over right linear topological ring) is if it has cover. A similar result obtained for $\infty $-strictly flat dimension not exceeding $1$, using an argument based on the notion Jacobson radical. Covers and precovers limits more general classes objects, both in abelian categories with exact nonexact limits, are also discussed, eye...

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