On strongly flat and weakly cotorsion modules

L Positselski, A Slávik - Mathematische Zeitschrift, 2019 - Springer
… define quite flat and almost cotorsion modules, and show that, … modules are quite flat and
all almost cotorsion modules are … flat modules and overclasses of Enochs cotorsion modules

Kernel modules of cotorsion pairs

L Fuchs - Contemporary Math, 2012 - books.google.com
… We will call C a Σ -cotorsion pair if we only assume that the class of kernel modules is closed
under (arbitrarily … Hence it follows at once that the summands of Q/R are 1-tilting modules⊕ …

[HTML][HTML] Covering classes and 1-tilting cotorsion pairs over commutative rings

S Bazzoni, G Le Gros - Forum Mathematicum, 2021 - degruyter.com
… the 1-tilting cotorsion pairs over a … 1-tilting cotorsion pairs arising from flat injective ring
epimorphisms. Explicitly, if 𝒢 is the Gabriel topology associated to the 1-tilting cotorsion pair ( 𝒜 , …

[HTML][HTML] One-tilting classes and modules over commutative rings

M Hrbek - Journal of Algebra, 2016 - Elsevier
… ” of the constructed 1-tilting modules and provide an elementary … Finally, in the last section
we show that a 1-tilting module … about cotorsion pairs generated by sets of modules will be …

Tilting cotorsion pairs

S Bazzoni, PC Eklof, J Trlifaj - Bulletin of the London …, 2005 - academic.oup.com
tilting module T is said to be of finite type if the cotorsion pair … R and 1-tilting R-module T, that
T is of finite type whenever T … Prüfer domain R, that every 1-tilting module is of finite type. For …

[PDF][PDF] A characterization of n-cotilting and n-tilting modules

S Bazzoni - Journal of Algebra, 2004 - academia.edu
tilting and cotilting modules which agree with the classical notions of tilting and cotilting
modules of … We recall the notion of cotorsion pair introduced by Salce [14]. Given a class M of …

The tiltingcotilting correspondence

L Positselski, J Šťovíček - International Mathematics Research …, 2021 - academic.oup.com
To a big $n$ -tilting object in a complete, cocomplete abelian category ${\textsf{A}}$ with an
injective cogenerator we assign a big $n$ -cotilting object in a complete, cocomplete abelian …

Cotilting modules are pure-injective

S Bazzoni - Proceedings of the American Mathematical Society, 2003 - JSTOR
… Thus, as a corollary of Theorem 2.8, we obtain that if U is a cotilting Rmodule, then the
cotorsion theory generated by U is perfect; in particular Cogen U is a cover class. We could get …

All tilting modules are of countable type

J Šťovíček, J Trlifaj - Bulletin of the London Mathematical …, 2007 - Wiley Online Library
… the following new characterization of tilting cotorsion pairs. … Then ℭ is an n-tilting cotorsion
pair if and only if ℭ is hereditary… Since the cotorsion pair ℭ is hereditary, we have X α / X β ∈ β …

Tilting modules and Gorenstein rings

LA Hügel, D Herbera, J Trlifaj - 2006 - degruyter.com
… Since GP, Pfi is a complete cotorsion pair with P º I º In, we know from [2, Theorem 4.2] that
GP, Pfi is a cotilting cotorsion pair iff its kernel GP XP is closed under products. By [20, 10.2…