activity
20142026
most citedAlmost Split Triangles and Morphisms Determined by Objects in Extriangulated Categories

12 citations · 53 across the 26 of their papers we have counts for

collaborators

27 papers

math.AC2026

Wide subcategories over commutative coherent rings

Tiwei Zhao

In this paper, we mainly prove Hovey's conjecture: for any commutative coherent ring, there is a lattice isomorphism between the lattice of wide subcategories of the category of fi…

math.RT2026

From -tilting to -tilting via splitting tilting triples

Zhongyuan Wang, Haicheng Zhang, Tiwei Zhao

Let be a splitting tilting triple. We provide a construction of -tilting -modules from -tilting -modules. On the other hand, if is hereditary, by consid…

math.RA2026

Support -tilting posets and Hochschild reconstruction for matrix centralizer algebras

Jiangsheng Hu, Yu-Zhe Liu, Tiwei Zhao

Let be a field and the endomorphism algebra of a finite direct sum of cyclic modules over a finite-dimensional commutative local principal ideal -algebra. We construct a…

math.RT2026

Tilting realizations of derived-equivalent matrix centralizer algebras

Jiangsheng Hu, Xin Ma, Jinbi Zhang +1

Let be the centralizer algebra of a matrix over an arbitrary field. We solve the fixed-source realization problem for matrix centralizers by proving that the matrix centralizer…

math.CT2026

Semi-orthogonal and derived decompositions for gentle algebras

Jiangsheng Hu, Yu-Zhe Liu, Tiwei Zhao

We study semi-orthogonal decompositions of perfect derived categories of gentle algebras via marked ribbon surfaces. We characterize such decompositions in terms of suitable disjoi…

math.RA2023

Little finitistic dimensions and generalized derived categories

Xiaolei Zhang, Tiwei Zhao, Dingguo Wang

In this paper, we introduced a generalization of the derived category, which is called the -derived category and denoted by $\D_{n}(R)$, of a given ring for each $n\in\mathb…

math.RA2023

On the generalizations of global dimensions and singularity categories

Xiaolei Zhang, Tiwei Zhao, Dingguo Wang

For each , we introduce the notion of -singularity category of a given ring , which can be seen as a generalization…

math.CT2022

Ideal approximation in -exangulated categories

Yucheng Wang, Jiaqun Wei

In this paper, we study the ideal approximation theory associated to almost -exact structures in the -exangulated category. The notions of -ideal cotorsion pairs and -$…

math.RT2021

Resolving subcategories and dimensions in recollements of extriangulated categories

Xin Ma, Tiwei Zhao, Xin Zhuang

Recently, Wang, Wei and Zhang introduced the notion of recollements of extriangulated categories. In this paper, let be a recollement of ext…

math.RA2020

Ideal approximation in -angulated categories

Lingling Tan, Dingguo Wang, Tiwei Zhao

In this paper, we study ideal approximation theory associated to almost -exact structures in extension closed subcategories of -angulated categories. For , an -angula…

math.CT2020★ 1 cited

Idempotent completion of extriangulated categories

Li Wang, Jiaqun Wei, Haicheng Zhang +1

Extriangulated categories were introduced by Nakaoka and Palu as a simultaneous generalization of exact categories and triangulated categories. In this paper, we show that the idem…

math.CT2020★ 4 cited

Tilting pairs in extriangulated categories

Tiwei Zhao, Bin Zhu, Xiao Zhuang

Extriangulated categories were introduced by Nakaoka and Palu to give a unification of properties in exact categories and extension-closed subcategories of triangulated categories.…

math.RT2020★ 5 cited

Recollements and tilting modules

Xin Ma, Tiwei Zhao

Let $(\mbox{mod} Λ',\mbox{mod} Λ,\mbox{mod} Λ'')$ be a recollement of module categories for artin algebras , and . We provide a sufficient condition such that a glued…

math.CT2020★ 1 cited

Duality Pairs Induced by One-Sided Gorenstein Subcategories

Weiling Song, Tiwei Zhao, Zhaoyong Huang

For a ring and an additive subcategory $\C$ of the category $\Mod R$ of left -modules, under some conditions we prove that the right Gorenstein subcategory of $\Mod R$ and t…

math.CT2020★ 7 cited

One-Sided Gorenstein Subcategories

Weiling Song, Tiwei Zhao, Zhaoyong Huang

We introduce the right (left) Gorenstein subcategory relative to an additive subcategory $\C$ of an abelian category $\A$, and prove that the right Gorenstein subcategory $r\mathca…

math.CT2020

Avramov-Martsinkovsky type exact sequences for extriangulated categories

Jiangsheng Hu, Dongdong Zhang, Tiwei Zhao +1

Let be an extriangulated category with a proper class of -triangles. In this paper, we first introduce the -Gorenstein co…

math.RT2020★ 12 cited

Almost Split Triangles and Morphisms Determined by Objects in Extriangulated Categories

Tiwei Zhao, Lingling Tan, Zhaoyong Huang

Let be an Ext-finite, Krull-Schmidt and -linear extriangulated category with a commutative artinian ring. We define an additive subc…

math.CT2020★ 5 cited

Balance of complete cohomology in extriangulated categories

Jiangsheng Hu, Dongdong Zhang, Tiwei Zhao +1

Let be an extriangulated category with a proper class of -triangles. In this paper, we study the balance of complete cohomol…

math.RT2020★ 3 cited

Complete cohomology for extriangulated categories

Jiangsheng Hu, Dongdong Zhang, Tiwei Zhao +1

Let be an extriangulated category with a proper class of -triangles. In this paper, we study complete cohomology of objects…

math.CT2018

Support -tilting modules and recollements

Xin Ma, Zongzhen Xie, Tiwei Zhao

Let $(\mbox{mod} Λ',\mbox{mod} Λ,\mbox{mod} Λ'')$ be a recollement of abelian categories for artin algebras , and . Under certain conditions, we present an explicit co…

math.RA2017

Special Precovered Categories of Gorenstein Categories

Tiwei Zhao, Zhaoyong Huang

Let be an abelian category and the subcategory of consisting of projective objects. Let be a full, additive and…

math.RA2017★ 1 cited

Foxby equivalence relative to -weak injective and -weak flat modules

Zenghui Gao, Tiwei Zhao

Let and be rings and a (faithfully) semidualizing bimodule. We introduce and study -weak flat and -weak injective modules as a generalization of -flat and…

math.RA2017★ 6 cited

Homological properties of modules with finite weak injective and weak flat dimensions

Tiwei Zhao

In this paper, we define a class of relative derived functors in terms of left or right weak flat resolutions to compute the weak flat dimension of modules. Moreover, we investigat…

math.CT2017★ 6 cited

Relative FP-injective and FP-flat complexes and their model structures

Tiwei Zhao, Marco A. Pérez

In this paper, we introduce the notions of -injective and -flat complexes in terms of complexes of type . We show that some characterizations an…