activity
20142025
most citedThe socle of subshift algebras, with applications to subshift conjugacy

1 citations · 3 across the 14 of their papers we have counts for

collaborators

18 papers

math.RA2025

The uniform dimension of a monoid with applications to graph algebras

Luiz Gustavo Cordeiro, Daniel Gonçalves, Roozbeh Hazrat

We adapt Goldie's concept of uniform dimensions from module theory over rings to -monoids. A -monoid is said to have uniform dimension if is the largest number of…

math.RA2024

Hopf algebras and associative representations of two-dimensional evolution algebras

Yolanda Cabrera Casado, María Inez Cardoso Gonçalves, Daniel Gonçalves +3

In this paper, we establish a connection between evolution algebras of dimension two and Hopf algebras, via the algebraic group of automorphisms of an evolution algebra. Initially,…

math.RA2024★ 1 cited

The socle of subshift algebras, with applications to subshift conjugacy

Daniel Gonçalves, Danilo Royer

We introduce the concept of "irrational paths" for a given subshift and use it to characterize all minimal left ideals in the associated unital subshift algebra. Consequently, we c…

math.OA2023

C*-Algebras of one-sided subshifts over arbitrary alphabets

Giuliano Boava, Gilles G. de Castro, Daniel Gonçalves +1

We associate a C*-algebra with a subshift over an arbitrary, possibly infinite, alphabet. We show that …

math.RA2023

Irreducible representations of one-sided subshift algebras

Daniel Gonçalves, Danilo Royer

Given a subshift over an arbitrary alphabet, we construct a representation of the associated unital algebra. We describe a criteria for the faithfulness of this representation in t…

math.RA2023

The reduction theorem for algebras of one-sided subshifts over arbitrary alphabets

Dirceu Bagio, Cristóbal Gil Canto, Daniel Gonçalves +1

Let be a commutative unital ring, a subshift, and the corresponding unital subshift algebra. We establish the reduction the…

math.DS2023

Shadowing for local homeomorphisms, with applications to edge shift spaces of infinite graphs

Daniel Gonçalves, Bruno Brogni Uggioni

In this paper, we develop the basic theory of the shadowing property for local homeomorphisms of metric locally compact spaces, with a focus on applications to edge shift spaces co…

math.DS2023

Entropy of local homeomorphisms with applications to infinite alphabet shift spaces

Daniel Gonçalves, Danilo Royer, Felipe Augusto Tasca

In this paper, we introduce topological entropy for dynamical systems generated by a single local homeomorphism (Deaconu-Renault systems). More precisely, we generalize Adler, Konh…

math.RA2022

The ideal structure of partial skew groupoid rings with applications to topological dynamics and ultragraph algebras

Dirceu Bagio, Daniel Gonçalves, Paula Savana Estácio Moreira +1

Given a partial action of a groupoid on a ring , we study the associated partial skew groupoid ring , which carries a natural -grading. We show that th…

math.RA2022★ 1 cited

Algebras of one-sided subshifts over arbitrary alphabets

Giuliano Boava, Gilles G. de Castro, Daniel Gonçalves +1

We introduce two algebras associated with a subshift over an arbitrary alphabet. One is unital and the other not necessarily. We focus on the unital case and describe a conjugacy b…

math.RA2022

The graded structure of Leavittt path algebras viewed as partial skew group rings

Daniel Gonçalves, Laura Orozco, Héctor Pinedo

Let be a directed graph, be a field, and be the free group on the edges of . In this work, we use the isomorphism between Leavitt path algebras and p…

math.RA2020

A note on the regular ideals of Leavitt path algebras

Daniel Gonçalves, Danilo Royer

We show that, for an arbitrary graph, a regular ideal of the associated Leavitt path algebra is also graded. As a consequence, for a row-finite graph, we obtain that the quotient o…

math.RA2020

The talented monoid of a directed graph with applications to graph algebras

Luiz Gustavo Cordeiro, Daniel Gonçalves, Roozbeh Hazrat

It is a conjecture that for the class of Leavitt path algebras associated to finite directed graphs, their graded Grothendieck groups are a complete invariant.…

math.DS2018

Li-Yorke chaos for ultragraph shift spaces

Daniel Gonçalves, Bruno Brogni Uggioni

Recently, in connection with C*-algebra theory, the first author and Danilo Royer introduced ultragraph shift spaces. In this paper we define a family of metrics for the topology i…

math.RA2018

Representations of relative Cohn path algebras

Cristóbal Gil Canto, Daniel Gonçalves

We study relative Cohn path algebras, also known as Leavitt-Cohn path algebras, and we realize them as partial skew group rings (to do this we prove uniqueness theorems for relativ…

math.OA2017

Infinite alphabet edge shift spaces via ultragraphs and their C*-algebras

Daniel Gonçalves, Danilo Royer

We define a notion of (one-sided) edge shift spaces associated to ultragraphs. In the finite case our notion coincides with the edge shift space of a graph. In general, we show tha…

math.OA2016★ 1 cited

Branching Systems and General Cuntz-Krieger Uniqueness Theorem for Ultragraph C*-algebras

Daniel Gonçalves, Hui Li, Danilo Royer

We give a notion of branching systems on ultragraphs. From this we build concrete representations of ultragraph C*-algebras on the bounded linear operators of Hilbert spaces. To ea…

math.RA2014

Branching systems and representations of Cohn-Leavitt path algebras of separated graphs

Daniel Gonçalves, Danilo Royer

We construct for each separated graph (E;C) a family of branching systems over a set X and show how each branching system induces a representation of the Cohn-Leavitt path algebra…