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Related papers: Leavitt path algebras are B\'ezout

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We characterize ultragraph Leavitt path algebras that are Rickart, locally Rickart, graded Rickart, and graded Rickart *-rings. We also characterize ultragraph Leavitt path algebras that are Baer, locally Baer, graded Baer, Baer *-rings,…

Rings and Algebras · Mathematics 2023-07-28 Mitchell Jubeir , Daniel W van Wyk

We provide a complete answer to the question "When is a quotient of a Leavitt path algebra isomorphic to a Leavitt path algebra?" in terms of the interaction of the kernel of the quotient homomorphism with the cycles of the digraph. A key…

Rings and Algebras · Mathematics 2025-06-10 Ayten Koç , Murad Özaydın

This paper is an attempt to show that, parallel to Elliott's classification of AF $C^*$-algebras by means of $K$-theory, the graded $K_0$-group classifies Leavitt path algebras completely. In this direction, we prove this claim at two…

Rings and Algebras · Mathematics 2011-11-02 R. Hazrat

We show that the graph construction used to prove that a gauge-invariant ideal of a graph C*-algebra is isomorphic to a graph C*-algebra, and also used to prove that a graded ideal of a Leavitt path algebra is isomorphic to a Leavitt path…

Operator Algebras · Mathematics 2013-04-16 Efren Ruiz , Mark Tomforde

Given an arbitrary graph, we describe the center of its Leavitt path algebra over a commutative unital ring. Our proof uses the Steinberg algebra model of the Leavitt path algebra. A key ingredient is a characterization of compact open…

For a field $F$ and a row-finite directed graph $\Gamma$ let $L(\Gamma)$ be the Leavitt path algebra. We find necessary and sufficient conditions for the Lie algebra $[L(\Gamma),L(\Gamma)]$ to be simple.

Rings and Algebras · Mathematics 2013-04-09 Adel Alahmedi , Hamed Alsulami

Irreducible representations of both Leavitt and Cohn path algebras of an arbitrary digraph with coefficients in a commutative field is classified. They are constructed in several ways using both infinite paths on the right as well as direct…

Rings and Algebras · Mathematics 2019-03-25 P. N. Anh , T. G. Nam

In this paper we describe three different variations of prime ideals: strongly irreducible ideals, strongly prime ideals and insulated prime ideals in the context of Leavitt path algebras. We give necessary and sufficient conditions under…

Rings and Algebras · Mathematics 2021-01-26 Sarah Aljojani , Katherin Radler , K. M. Rangaswamy , Ashish K. Srivastava

We give a one-to-one correspondence between ideals in the Steinberg algebra of a Hausdorff ample groupoid $G$, and certain families of ideals in the group algebras of isotropy groups in $G$. This generalises a known ideal correspondence…

Rings and Algebras · Mathematics 2021-09-20 Simon W. Rigby , Thibaud van den Hove

Leavitt path algebras are shown to be algebras of right quotients of their corresponding path algebras. Using this fact we obtain maximal algebras of right quotients from those (Leavitt) path algebras whose associated graph satisfies that…

Rings and Algebras · Mathematics 2007-09-20 Mercedes Siles Molina

Ideals in Leavitt path algebras have been shown to share many properties with those of integral domains. Since studying factorizations of ideals in integral domains into special types of ideals (particularly, prime, prime-power, primary,…

Rings and Algebras · Mathematics 2020-09-18 Gene Abrams , Zachary Mesyan , Kulumani M. Rangaswamy

For a field $F$ of characteristic not 2 and a directed row-finite graph $\Gamma$ let $L(\Gamma)$ be the Leavitt path algebra with the standard involution $*.$ We study the Lie algebra $K=K(L(\Gamma),*)$ of $*-$skew-symmetric elements and…

Rings and Algebras · Mathematics 2014-08-08 Adel Alahmedi , Hamed Alsulami

We characterize Leavitt path algebras which are exchange rings in terms of intrinsic properties of the graph and show that the values of the stable rank for these algebras are 1, 2 or $\infty$. Concrete criteria in terms of properties of…

Rings and Algebras · Mathematics 2007-05-23 G. Aranda-Pino , E. Pardo , M. Siles-Molina

We show how to reconstruct a graded ample Hausdorff groupoid with topologically principal neutrally graded component from the ring structure of its graded Steinberg algebra over any commutative integral domain with 1, together with the…

Rings and Algebras · Mathematics 2020-02-25 Pere Ara , Joan Bosa , Roozbeh Hazrat , Aidan Sims

For any positive integer $n$ we describe the Leavitt path algebra of the Cayley graph $C_n$ corresponding to the cyclic group $\Z/n\Z$. Using a Kirchberg-Phillips-type realization result, we show that there are exactly four isomorphism…

Rings and Algebras · Mathematics 2013-10-25 Gene Abrams , Benjamin Schoonmaker

There is an extensive recent literature on the graded, non-graded, prime, primitive, maximal ideals of Leavitt path algebras. In this introductory level survey, we will be giving an overview of different types of ideals and the…

Rings and Algebras · Mathematics 2020-12-29 Muge Kanuni , Suat Sert

We prove that an isomorphism of graded Grothendieck groups $K^{gr}_0$ of two Leavitt path algebras induces an isomorphism of a certain quotient of algebraic filtered $K$-theory and consequently an isomorphism of filtered $K$-theory of their…

Rings and Algebras · Mathematics 2020-05-18 Pere Ara , Roozbeh Hazrat , Huanhuan Li

We prove that the Bowen-Franks group classifies the Leavitt path algebras of purely infinite simple finite graphs over a regular supercoherent commutative ring with involution where $2$ is invertible, equipped with their standard…

Rings and Algebras · Mathematics 2021-07-13 Guillermo Cortiñas

We show the reduced $C^*$-algebra of a graded ample groupoid is a strongly graded $C^*$-algebra if and only if the corresponding Steinberg algebra is a strongly graded ring. We apply this result to get a theorem about the Leavitt path…

Operator Algebras · Mathematics 2020-04-21 Lisa Orloff Clark , Ellis Dawson , Iain Raeburn

Motivated by recent results in graph C*-algebras concerning an equivariant pushout structure of the Vaksman-Soibelman quantum odd spheres, we introduce a class of graphs called trimmable. Then we show that the Leavitt path algebra of a…

Rings and Algebras · Mathematics 2018-03-28 Piotr M. Hajac , Atabey Kaygun , Mariusz Tobolski