phantom stable category of -Frobenius categories
A Bahlekeh, FS Fotouhi, S Salarian… - arXiv preprint arXiv …, 2023 - arxiv.org
… We call such a morphism f, as an n-Ext-phantom morphism. In Section 7, we introduce a
composition operator “◦” on Extn /P. It is shown that this operator is associative and distributive …
composition operator “◦” on Extn /P. It is shown that this operator is associative and distributive …
[HTML][HTML] On preenvelopes and precovers by ideals of morphisms of modules
L Mao - Journal of Pure and Applied Algebra, 2018 - Elsevier
… to a class of objects in the category of morphisms. Given a ring R, we denote by R… morphisms
and the morphism from a left R-module morphism M 1 → f M 2 to a left R-module morphism …
and the morphism from a left R-module morphism M 1 → f M 2 to a left R-module morphism …
On Envelopes and Covers in the Category of Short Exact Sequences
L Mao - Bulletin of the Malaysian Mathematical Sciences …, 2020 - Springer
We investigate preenvelopes and precovers in the category $$_{R}{\mathcal {E}}$$ R E of
short exact sequences of left R-modules. Let $${\mathfrak {C}}$$ C be a class of left R-…
short exact sequences of left R-modules. Let $${\mathfrak {C}}$$ C be a class of left R-…
Gorenstein 内射Phantom 态射
王小妹， 王占平 - 西南师范大学学报(自然科学版), 2022 - xbgjxt.swu.edu.cn
… injective Phantom morphism and higher Gorenstein injective Phantom morphism have been
… 文献[8]引入了n-Phantom态射和n-Ext-Phantom态射的概念,证明了:在R-Mod中,f:M→N是n-…
… 文献[8]引入了n-Phantom态射和n-Ext-Phantom态射的概念,证明了:在R-Mod中,f:M→N是n-…
关于n-phantom-态射和n-Ext-phantom-态射的刻画.
兰开阳， 卢博 - Journal of Zhejiang University (Science …, 2021 - search.ebscohost.com
… of n-phantom morphisms and n-Ext-phantom morphisms. Journal of … the n-phantom and
n-Ext-phantom of morphisms in short … ) and their character morphisms has been investigated. …
n-Ext-phantom of morphisms in short … ) and their character morphisms has been investigated. …
(n, d)-(Ext)-phantom 态射与(n, d)-环.
余君丽， 张春霞 - Acta Scientiarum Naturalium Universitatis …, 2024 - search.ebscohost.com
… and preenvelopes by phantom and Ext-phantom morphisms[J]… Higher phantom and Ext-phantom
morphisms[J]. J Algebra … Higher phantom morphisms with respect to a subfunctor of Ext[…
morphisms[J]. J Algebra … Higher phantom morphisms with respect to a subfunctor of Ext[…
(n, d)-phantom 与(n, d)-Ext-phantom 态射
张春霞， 唐强玲 - 《 山东大学学报(理学版)》, 2023 - lxbwk.njournal.sdu.edu.cn
… the concepts of (nꎬd)-phantom and (nꎬd)-Ext-phantom morphismsꎬ and give their some …
Covering ideals of morphisms and module representations of the quiver A2 [J]. J Pure Appl …
Covering ideals of morphisms and module representations of the quiver A2 [J]. J Pure Appl …
关于模的一类特殊态射的刻画
兰开阳， 杨婷婷 - 《 山东大学学报(理学版)》, 2020 - lxbwk.njournal.sdu.edu.cn
… Phantom-态射与Ext-phantom-态射的定义最早是来自于文献[2-… 下面讨论n-phantom-态射与
Torn -单态射以及n-Ext-phantom-态射… Higher phantom morphisms with respect to a subfunctor of …
Torn -单态射以及n-Ext-phantom-态射… Higher phantom morphisms with respect to a subfunctor of …
三角范畴上t-结构的Ki-群
郑敏， 陈清华 - 《 山东大学学报(理学版)》, 2020 - lxbwk.njournal.sdu.edu.cn
… Higher phantom morphisms with respect to a subfunctor of Ext[J]. Algebra Represent Theorꎬ
2019ꎬ … Higher phantom and Ext-phantom morphisms[J]. J Algebra Applꎬ 2018ꎬ 17:1-15. …
2019ꎬ … Higher phantom and Ext-phantom morphisms[J]. J Algebra Applꎬ 2018ꎬ 17:1-15. …
态射和短正合列的预包络关于直和的封闭性
刘诗瑶， 杨晓燕 - Pure Mathematics, 2023 - hanspub.org
… Abstract: In this paper, we study that the preenvelopes of morphisms and short exact
sequences are closed under direct sums using the fact that the preenvelope of left R-module is …
sequences are closed under direct sums using the fact that the preenvelope of left R-module is …