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In this paper, firstly, we mainly study the relationship of balanced pairs among three Abelian categories in a recollement. As an application of admissible balanced pairs, we introduce the notion of the relative tilting modules, and give a…

Category Theory · Mathematics 2022-05-20 Peiyu Zhang , Dajun Liu , Jiaqun Wei

We introduce the notion of (strongly) $n$-AIR-tilting modules, which is a high dimension version of support $\tau$-tilting modules. The relations between them and $n$-silting modules and $n$-quasi-tilting modules, as well as generalized…

Representation Theory · Mathematics 2024-02-28 Weiqing Cao , Jiaqun Wei

The notion of cosilting module was recently introduced as a generalization of the notion of cotilting module. In this paper, we give a characterization of (partial) cosilting modules in terms of two-term cosilting complexes. Moreover, we…

Representation Theory · Mathematics 2016-11-23 Flaviu Pop

The notion of cosilting module was recently introduced as a generalization of the concept of cotilting module. In this paper, it is introduced the notion of finitely cosilting module, i.e. a cosilting module with some finitness conditions,…

Rings and Algebras · Mathematics 2017-12-05 Flaviu Pop

In this paper, we first study the Gorenstein projective/flat dimension of complexes of modules. The relation between the Gorenstein projective/flat dimension for complexes and that for modules are investigated. Then we study Tate, stable…

Rings and Algebras · Mathematics 2020-09-18 Li Liang

In this paper, the author first establish the connections between the selectively $k$-star-ccc properties, the chain conditions and other star-Lindel\"of properties. Secondly, some examples are presented to solve questions raised by Xuan…

General Topology · Mathematics 2024-09-25 Yuan Sun

Tilting modules, generalising the notion of progenerator, furnish equivalences between pieces of module categories. This paper is dedicated to study how much these pieces say about the whole category. We will survey the existing results in…

Rings and Algebras · Mathematics 2019-01-11 Francesco Mattiello , Sergio Pavon , Alberto Tonolo

We give the simple proof of the star-triangle relation of the chiral Potts model. We also give the constructive way to understand the star-triangle relation of the chiral Potts model, which may give the hint to give the new integrable…

Statistical Mechanics · Physics 2007-05-23 M. Horibe , K. Shigemoto

For any ring $R$, we investigate balanced pairs of classes of modules and their relations to cotorsion triples. We characterize the case when a balanced pair generates a tilting cotorsion pair, and dually, when it cogenerates a cotilting…

Representation Theory · Mathematics 2026-02-24 Sergio Estrada , Jiangsheng Hu , Jan Trlifaj

Several authors have introduced various type of coherent-like rings and proved analogous results on these rings. It appears that all these relative coherent rings and all the used techniques can be unified. In [2], several coherent-like…

Commutative Algebra · Mathematics 2020-09-01 Mostafa Amini , Arij Benkhadra , Bennis , Mohammed Hajoui

Given a non-unit, non-zero-divisor, central element $x$ of a ring $\Lambda$, it is well known that many properties or invariants of $\Lambda$ determine, and are determined by, those of $\Lambda / x \Lambda$ and $\Lambda_x$. In the present…

Representation Theory · Mathematics 2018-10-16 Pooyan Moradifar , Shahab Rajabi , Siamak Yassemi

We review and update the current status of the observed anomalies in stellar cooling and their interpretation in terms of axions and axion like particles.

High Energy Astrophysical Phenomena · Physics 2016-11-16 Maurizio Giannotti

Dynamical models of star clusters are maturing in the sense that effects other than simple point particle dynamics are taken into account. We summarize the relevance of and prospects for this new generation of N-body models.

Astrophysics · Physics 2007-05-23 Simon F. Portegies Zwart , Christopher A. Tout , Hyung Mok Lee

We introduce a notion of Krein C*-module over a C*-algebra and more generally over a Krein C*-algebra. Some properties of Krein C*-modules and their categories are investigated.

Operator Algebras · Mathematics 2014-09-05 Paolo Bertozzini , Kasemsun Rutamorn

The relations between masses, radii and surface temperatures of stars are considered. It is shown that calculated values of these relations are in a satisfactory agreement with measuring data.

Solar and Stellar Astrophysics · Physics 2009-01-24 B. V. Vasiliev

Tilting modules over commutative rings were recently classified in [12]: they correspond bijectively to faithful Gabriel topologies of finite type. In this note we extend this classification by dropping faithfulness. The counterpart of an…

Representation Theory · Mathematics 2016-02-16 Lidia Angeleri Hügel , Michal Hrbek

Different and distinct notions of regularity for modules exist in the literature. When these notions are restricted to commutative rings, they all coincide with the well-known von-Neumann regularity for rings. We give new characterizations…

Commutative Algebra · Mathematics 2023-01-10 Philly Ivan Kimuli , David Ssevviiri

In this paper, we show that the tilting modules over a cluster-tilted algebra $A$ lift to tilting objects in the associated cluster category $\mathcal{C}_H$. As a first application, we describe the induced exchange relation for tilting…

Representation Theory · Mathematics 2007-10-25 David Smith

This paper unifies several generalizations of coherent rings in one notion. Namely, we introduce $n$-$\mathscr{X}$-coherent rings, where $\mathscr{X}$ is a class of modules and $n$ is a positive integer, as those rings for which the…

Rings and Algebras · Mathematics 2010-01-26 Driss Bennis

A new homological symmetry condition is exhibited that extends and unifies several recently defined and widely used concepts. Applications include general constructions of tilting modules and derived equivalences, and characterisations of…

Representation Theory · Mathematics 2015-06-11 Hongxing Chen , Steffen Koenig
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