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We construct a new class of symmetric algebras of tame representation type that are also the endomorphism algebras of cluster tilting objects in 2-Calabi-Yau triangulated categories, hence all their non-projective indecomposable modules are…

Representation Theory · Mathematics 2019-03-12 Sefi Ladkani

We show that the endomorphism ring of each cluster tilting object in a tubular cluster category is a finite dimensional Jacobian algebra which is tame of polynomial growth. Moreover, these Jacobian algebras are given by a quiver with a…

Rings and Algebras · Mathematics 2016-01-07 Christof Geiss , Raúl González-Silva

We define algebras of quasi-quaternion type, which are symmetric algebras of tame representation type whose stable module category has certain structure similar to that of the algebras of quaternion type introduced by Erdmann. We observe…

Representation Theory · Mathematics 2014-04-29 Sefi Ladkani

In this paper, we start with a class of quivers that containing only 2-cycles and loops, referred to as 2-cyclic quivers. We prove that there exists a potential on these quivers that ensures the resulting quiver with potential is…

Representation Theory · Mathematics 2024-11-26 Yiyu Li , Liangang Peng

In the context of representation theory of finite dimensional algebras, string algebras have been extensively studied and most aspects of their representation theory are well-understood. One exception to this is the classification of…

Representation Theory · Mathematics 2017-06-16 Ilke Canakci , Sibylle Schroll

Let $k$ be a field and $A$ a finite-dimensional $k$-algebra of global dimension $\leq 2$. We construct a triangulated category $\Cc_A$ associated to $A$ which, if $A$ is hereditary, is triangle equivalent to the cluster category of $A$.…

Representation Theory · Mathematics 2009-07-03 Claire Amiot

Existence of superdecomposable pure-injective modules reflects complexity in the category of finite-dimensional representations over an algebra. Such an existence occurs when an algebra is non-domestic; a conjecture due to M. Prest. G.…

Representation Theory · Mathematics 2026-03-05 Shantanu Sardar

A finite-dimensional algebra $A$ over an algebraically closed field $K$ is called periodic if it is periodic under the action of the syzygy operator in the category of $A-A-$ bimodules. The periodic algebras are self-injective and occur…

Representation Theory · Mathematics 2017-10-31 Karin Erdmann , Andrzej Skowroński

Recall that an algebraic module is a KG-module that satisfies a polynomial with integer coefficients, with addition and multiplication given by direct sum and tensor product. In this article we prove that non-periodic algebraic modules are…

Representation Theory · Mathematics 2008-01-18 David A. Craven

In a k-linear triangulated category (where k is a field) we show that the existence of Auslander-Reiten triangles implies that objects are determined, up to shift, by knowing dimensions of homomorphisms between them. In most cases the…

Representation Theory · Mathematics 2023-06-05 Peter Webb

We study $2$-representation finite $\mathbb{K}$-algebras obtained from tensor products of tensor algebras of species. In earlier work we computed the higher preprojective algebra of said algebras to be given as Jacobian algebras of certain…

Representation Theory · Mathematics 2025-10-07 Christoffer Söderberg

We prove that mutation of cluster-tilting objects in triangulated 2-Calabi-Yau categories is closely connected with mutation of quivers with potentials. This gives a close connection between 2-CY-tilted algebras and Jacobian algebras…

Representation Theory · Mathematics 2012-10-30 Aslak Bakke Buan , Osamu Iyama , Idun Reiten , David Smith

We introduce two classes of algebras coming from partial triangulations of marked surfaces. The first one, called frozen algebra of a partial triangulation, is generally of infinite rank and contains frozen Jacobian algebras of…

Representation Theory · Mathematics 2016-07-20 Laurent Demonet

Buan, Iyama, Reiten and Smith proved that cluster-tilting objects in triangulated 2-Calabi--Yau categories are closely connected with mutation of quivers with potentials over an algebraically closed field. We prove a more general statement…

Representation Theory · Mathematics 2026-04-16 Christoffer Söderberg

Let $Q$ be a Dynkin quiver and $\Pi$ the corresponding set of positive roots. For the preprojective algebra $\Lambda$ associated to $Q$ we produce a rigid $\Lambda$-module $I_Q$ with $r=|\Pi|$ pairwise non-isomorphic indecomposable direct…

Representation Theory · Mathematics 2019-03-05 Christof Geiß , Bernard Leclerc , Jan Schröer

Finite-dimensional Jacobian algebras are studied from the perspective of representation types. We establish that (like other representation types) the notions of $E$-finiteness and $E$-tameness are invariant under mutations of quivers with…

Representation Theory · Mathematics 2025-09-30 Mohamad Haerizadeh , Toshiya Yurikusa

We determine the length of composition series of projective modules of G-transitive algebras with an Auslander-Reiten component of Euclidean tree class. Furthermore we show that modules with certain length of composition series are…

Representation Theory · Mathematics 2008-11-07 Sarah Scherotzke

We show that the representation type of the Jacobian algebra P(Q,S) associated to a 2-acyclic quiver Q with non-degenerate potential S is invariant under QP-mutations. We prove that, apart from very few exceptions, P(Q,S) is of tame…

Representation Theory · Mathematics 2016-01-07 Christof Geiß , Daniel Labardini-Fragoso , Jan Schröer

We give a complete description of finite dimensional selfinjective algebras over an algebraically closed field whose Auslander-Reiten quiver admits a generalized standard family of quasi-tubes maximally saturated by simple and projective…

Representation Theory · Mathematics 2018-02-14 Alicja Jaworska-Pastuszak , Marta Kwiecień , Andrzej Skowroński

The category of Cohen-Macaulay modules of an algebra $B_{k,n}$ is used [JKS16] to give an additive categorification of the cluster algebra structure on the homogeneous coordinate ring of the Grassmannian of $k$-planes in $n$-space. In this…

Representation Theory · Mathematics 2020-11-18 Karin Baur , Dusko Bogdanic , Ana Garcia Elsener
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