[PDF][PDF] Injective and coherent endomorphism rings relative to some matrices
Y Zeng - Open Mathematics, 2023 - degruyter.com
… It is shown that S is left coherent relative to A if and only if … It is shown that S is left coherent
relative to A if and only if … characterizations of left n-semihereditary rings and von Neumann …
relative to A if and only if … characterizations of left n-semihereditary rings and von Neumann …
Flat relative Mittag-Leffler modules and approximations
A Ben Yassine - 2024 - dspace.cuni.cz
… modules, with a primary emphasis on the class of flat relative Mittag-Leffler modules, Zariski
locality of quasi-coherent … how the category of quasi-coherent sheaves over a given scheme …
locality of quasi-coherent … how the category of quasi-coherent sheaves over a given scheme …
[HTML][HTML] Nonnil-FP-injective and nonnil-FP-projective dimensions and nonnil-semihereditary rings
YE Haddaoui, H Kim, N Mahdou - Revista de la Real Academia de …, 2024 - Springer
… being both nonnil-coherent and self-nonnil semi-injective. Furthermore, we extend the notion
of semihereditary rings to \(\phi \)-rings, coining the term ‘nonnil-semihereditary’ to describe …
of semihereditary rings to \(\phi \)-rings, coining the term ‘nonnil-semihereditary’ to describe …
-Injective and -coherent endomorphism rings of modules
L Mao - Journal of Algebra and Its Applications, 2020 - World Scientific
… R-module M is a right (m, n)-coherent ring if and only if every M-(m, n)-copresented right
Rmodule … It is also proven that S is a right n-semihereditary ring and SM is (m, n)-flat if and only if …
Rmodule … It is also proven that S is a right n-semihereditary ring and SM is (m, n)-flat if and only if …
[HTML][HTML] The Weak (Gorenstein) Global Dimension of Coherent Rings with Finite Small Finitistic Projective Dimension
K Alhazmy, FA Ahmed Almahdi, Y El Haddaoui… - Journal of …, 2024 - hindawi.com
… In particular, R is a Prüfer domain (ie, a semihereditary domain) if and only if R is a coherent
… It is also well known that semihereditary rings are Prüfer rings. Hence, coherent regular DW …
… It is also well known that semihereditary rings are Prüfer rings. Hence, coherent regular DW …
Phantom Envelopes and -Phantom Covers of Modules
L Mao - Bulletin of the Iranian Mathematical Society, 2020 - Springer
… We describe left FC rings, left semihereditary rings and left coherent rings with the weak …
of modules. Throughout this paper, all rings are associative with identity and all modules are …
of modules. Throughout this paper, all rings are associative with identity and all modules are …
On minimal absolutely pure domain of RD-flat modules
Y ALAGÖZ - Turkish Journal of Mathematics, 2022 - journals.tubitak.gov.tr
… Some recent works on module theory have focused on relative … Over a left P-coherent ring,
R is left divisible if and only if … A Prüfer domain is exactly a semihereditary integral domain. …
R is left divisible if and only if … A Prüfer domain is exactly a semihereditary integral domain. …
On rings with envelopes and covers regarding to , and flat modules
L Van Thuyet, P Dan, TC Quynh - Journal of Algebra and Its …, 2021 - World Scientific
… obtained that if R is a semiperfect right FGF ring (or left coherent ring), then every isosimple
right R-module has a projective cover. Moreover, we also characterize semihereditary serial …
right R-module has a projective cover. Moreover, we also characterize semihereditary serial …
On characterizations of w-coherent rings
X Zhang, F Wang, W Qi - Communications in Algebra, 2020 - Taylor & Francis
… w-coherent if and only if every direct product of flat modules is w-flat. To do this, we introduce
the class w ‐ F ‐ ML of all w-Mittag-Leffler modules with respect to all flat modules … relatively …
the class w ‐ F ‐ ML of all w-Mittag-Leffler modules with respect to all flat modules … relatively …
On subinjectivity domains of RD-injective modules
Y Durğun - Asian-European Journal of Mathematics, 2022 - World Scientific
… two new concepts relative to RD-injective modules. Therefore, it … -modules are flat if and
only if divisible left R-modules are fp-injective [11, Theorem 6.2]. A ring R is left semihereditary if …
only if divisible left R-modules are fp-injective [11, Theorem 6.2]. A ring R is left semihereditary if …