English
Related papers

Related papers: Quipu quivers and Nakayama algebras with almost se…

200 papers

This present paper is devoted to the study of a class of Nakayama algebras $N_n(r)$ given by the path algebra of the equioriented quiver $\mathbb{A}_n$ subject to the nilpotency degree $r$ for each sequence of $r$ consecutive arrows. We…

Representation Theory · Mathematics 2022-02-08 Helmut Lenzing , Hagen Meltzer , Shiquan Ruan

For a finite dimensional algebra $R$, we give an explicit description of quivers with relations of block extension of $R$. As an application, we describe quivers with relations of Harada algebras by using those of the corresponding…

Representation Theory · Mathematics 2009-06-18 Kota Yamaura

We give a complete classification of all $d$-representation-finite symmetric Nakayama algebras and of all $d$-representation-finite trivial extensions of path algebras of quivers, over an arbitrary field. As a consequence we get a…

Representation Theory · Mathematics 2026-04-08 Erik Darpö , Tor Kringeland

We consider a natural generalisation of symmetric Nakayama algebras, namely, symmetric special biserial algebras with at most one non-uniserial indecomposable projective module. We describe the basic algebras explicitly by quiver and…

Representation Theory · Mathematics 2013-10-14 Nicole Snashall , Rachel Taillefer

We describe the derived Picard groups and two-term silting complexes for quasi-hereditary algebras with two simple modules. We also describe by quivers with relations all algebras derived equivalent to a quasi-hereditary algebra with two…

Representation Theory · Mathematics 2019-10-14 Yury Volkov

In this paper, we construct derived equivalences between certain Nakayama algebras by using the notion of an S-family which is a family of objects in a triangulated category satisfying some axioms.

Rings and Algebras · Mathematics 2023-02-07 Taro Ueda

In this paper we investigate the incidence algebras arising from one-branch extensions of "rectangles". There are four different ways to form such extensions, and all four kinds of incidence algebras turn out to be derived equivalent. We…

Representation Theory · Mathematics 2022-03-30 Qiang Dong , Yanan Lin , Shiquan Ruan

We present a combinatorial model of configuration spaces and polytopes associated to the quotients of $\mathbb{C} A_n$, the path algebra of the linearly oriented $A_n$ quiver, i.e. the algebra of upper triangular matrices. These quotient…

Combinatorics · Mathematics 2026-02-05 Veronica Calvo Cortes , Hadleigh Frost

Happel and Seidel gave a classification of piecewise hereditary Nakayama algebras, where the relations are given by some power of the radical. Here we explore what happens for general relations. We develop techniques for showing that a…

Representation Theory · Mathematics 2023-10-13 Didrik Fosse , Steffen Oppermann , Torkil Stai

In this paper we prove that Graded Calabi Yau Algebras of dimension 3 are isomorphic to path algebras of quivers with relations derived from a superpotential. We show that for a given quiver $Q$ and a degree $d$, the set of good…

Rings and Algebras · Mathematics 2007-05-23 Raf Bocklandt

Based on the fact that every finite-dimensional algebra over a field is isomorphic to the centralizer of \textbf{two} matrices, we approach the representation theory of finite-dimensional algebras over fields by centralizers of matrices.…

Representation Theory · Mathematics 2025-11-13 Xiaogang Li , Changchang Xi

We study variants of Hikita conjecture for Nakajima quiver varieties and corresponding Coulomb branches. First, we derive the equivariant version of the conjecture from the non-equivariant one for a set of gauge theories. Second, we suggest…

Representation Theory · Mathematics 2026-01-07 Ilya Dumanski , Vasily Krylov

We call a finite dimensional algebra A S-connected if the projective dimensions of the simple A-modules form an interval. We prove that a Nakayama algebra A is S-connected if and only if A is quasi-hereditary. We apply this result to…

Representation Theory · Mathematics 2021-09-16 René Marczinzik , Emre Sen

We study the global dimension of Nakayama algebras. In the case of linear Nakayama algebras, which are in canonical bijection to Dyck paths, we show that the global dimension has the same distribution as the height of Dyck paths. For cyclic…

Combinatorics · Mathematics 2025-03-25 Viktória Klász , René Marczinzik , Anton Mellit , Martin Rubey , Christian Stump

The Nakayama permutations of two derived equivalent, self-injective Artin algebras are conjugate. A different but elementary approach is given to showing that the weak symmetry and self-injectivity of finite-dimensional algebras over an…

Representation Theory · Mathematics 2024-10-29 Changchang Xi , Jin Zhang

We characterize right $4$-Nakayama artin algebras which appear naturally in the study of representation-finite artin algebras. For a right $4$-Nakayama artin algebra $\Lambda$, we classify all finitely generated indecomposable right…

Representation Theory · Mathematics 2018-12-19 Alireza Nasr-Isfahani , Mohsen Shekari

In this paper, we present some basic properties concerning the quasi-derivation algebra $QDer(\mathcal{A})$ and the quasi-centroid algebra $QC(\mathcal{A})$ of associative algebra $\mathcal{A}$. Furthermore, using the result on…

Rings and Algebras · Mathematics 2023-06-27 M. A. Fiidow , Ahmed Zahari , Bouzid Mosbahi

Linear Nakayama algebras over a field $K$ are in natural bijection to Dyck paths and Dyck paths are in natural bijection to 321-avoiding bijections via the Billey-Jockusch-Stanley bijection. Thus to every 321-avoiding permutation $\pi$ we…

Combinatorics · Mathematics 2025-05-27 Eirini Chavli , Rene Marczinzik

Any finite dimensional semisimple algebra A over a field K is isomorphic to a direct sum of finite dimensional full matrix rings over suitable division rings. In this paper we will consider the special case where all division rings are…

Rings and Algebras · Mathematics 2020-12-29 Ayten Koç , Songül Esin , Ismail Güloğlu , Müge Kanuni , Ayten Koc , Songul Esin , Ismail Guloglu , Muge Kanuni

Let $A$ be a Nakayama algebra. We give a description of the singularity category of $A$ inside its stable module category. We prove that there is a duality between the singularity category of $A$ and the singularity category of its opposite…

Representation Theory · Mathematics 2014-04-10 Dawei Shen
‹ Prev 1 2 3 10 Next ›