Flat Weakly FP-Injective and FP-Injective Weakly Flat Functors

S Crivei - Results in Mathematics, 2017 - Springer
… H, and the objects (called strongly FP-injective) of the functor category (mod-R, Ab) … We
prove that a functor F in (mod-R, Ab) is FPinjective weakly flat if and only if the character functor F…

FPn-Injective, FPn-Flat Covers and Preenvelopes, and Gorenstein AC-Flat Covers

D Bravo, S Estrada, A Iacob - Algebra Colloquium, 2018 - World Scientific
… and called strongly Gorenstein FP-injective modules and strongly Gorenstein flat modules, …
and since the functor Tor(−, −) commutes with direct limits, we note that the classes FP0-…

Some precovers and preenvelopes in functor categories

Z Xie, Z Liu - Indian Journal of Pure and Applied Mathematics, 2021 - Springer
… by n-strongly FP-injective and n-strongly flat functors. In … of n-strongly FP-injective and n-strongly
flat functors. Secondly, we … basic homological properties of this two classes of functors. …

Relative FP-gr-injective and gr-flat modules

T Zhao, Z Gao, Z Huang - International Journal of Algebra and …, 2018 - World Scientific
… notions of n-FP-injective and n-flat modules, and they … functor EXT 1 to define the FPn-grinjective
and FP∞-gr-injective modules, then they are just the FPn-injective and FP∞-injective

Fp-projective periodicity

S Bazzoni, M Hrbek, L Positselski - Journal of Pure and Applied Algebra, 2024 - Elsevier
… The proof is quite elementary, using only a strong form of the … fp-projective modules,
strongly fp-injective modules) is a … a functor L ⟶ Ab is right exact if and only if it is fp-injective as …

Some characterizations of coherent rings in terms of strongly FP-injective modules

M Chen, H Kim, F Wang, X Zhang - Communications in Algebra, 2020 - Taylor & Francis
… if R is coherent and any strongly FP-injective module is a pure … module is FP-injective and
any strongly FP-injective module … is a strongly FP-injective R-module if and only if M + is a flat R…

[PDF][PDF] SFI-Injective and SFI-Flat Modules

NH Al-Shehri, K Ouarghi - JP Journal of Algebra, Number Theory …, 2019 - researchgate.net
… modules such that F is flat and C is strongly FP-injective. Then there exists an exact sequence
… C to be a strongly FPinjective module, then using the long exact sequence of the functor

-Gorenstein flat homological dimensions

V Becerril - arXiv preprint arXiv:2203.09012, 2022 - arxiv.org
… (L, A)-Gorenstein ring the functor − ⊗R − is left balanced over the … of all FP-injective R-modules,
and by F(R) the class of all flat R-… 1, Proposition 6] we have that the pair of (strongly) w-FI- …

Triangle equivalences involving Gorenstein FP-injective modules

Z Di, X Zhang, Z Liu - Communications in Algebra, 2018 - Taylor & Francis
… a notion of Gorenstein FP-injective dimension of complexes is … coherent ring a Gorenstein
FP-injective version of the above … To prove the triangle functor appearing in Theorem 4.7 is …

Weak injective and weak flat complexes

Z Gao, Z Huang - Glasgow Mathematical Journal, 2016 - cambridge.org
FP-injective complexes. More recently, we introduced and investigated in [12,14] weak
injective and weak flat … It is obvious that the new functor − ⊗ C is a right exact functor, so we can …