B. Ferreira

collaborators

9 papers

math.RA2020

Commuting maps on alternative rings

Bruno Leonardo Macedo Ferreira, Ivan Kaygorodov

Suppose $R$ is a $2$ , $3$ -torsion free unital alternative ring having an idempotent element $e_{1}$ $(e_{2} = 1 - e_{1})$ which satisfies $x \mathfrak{R} \cdot e_i = \…

math.OA2020

$$ -Lie-Jordan-type maps on $C^{}$ -algebras

Bruno Leonardo Macedo Ferreira, Bruno Tadeu Costa

Let A and A' be two Cstar-algebras with identities I_A and I_A', respectively, and P_1 and P_2 = I_A - P_1 nontrivial projections in A. In this paper we study the characterization…

math.RA2020

On $* -$ Reverse Derivable Maps

Gurninder S. Sandhu, Bruno L. M. Ferreira, D. Kumar

Let $R$ be a ring with involution containing a nontrivial symmetric idempotent element $e$ . Let $δ : R \to R$ be a mapping such that $δ (ab) = δ (b) a^{*} + b^{*} δ (a)$ for all…

math.OA2018

Generalized Jordan derivations of Incidence Algebras

Bruno Leonardo Macedo Ferreira, Tanise Carnieri Pierin, Ruth Nascimento Ferreira

For a given ring $R$ and a locally finite pre-ordered set $(X, \leq)$ , consider $I (X, R)$ to be the incidence algebra of $X$ over $R$ . Motivated by…

math.RA2018

Generalized Jordan derivations on semiprime rings

Bruno L M Ferreira, Henrique Guzzo, Ruth N. Ferreira

The purpose of this note is to prove the following. Suppose $R$ is a semiprime unity ring having an idempotent element e $(e \neq = 0, e \neq = 1)$ which satisfies mild con…

math.RA2018

An approach between the multiplicative and additive structure of a Jordan ring

Bruno Ferreira

Let J and J' be Jordan rings. We prove under some conditions that if J contains a nontrivial idempotent, then n-multiplicative maps and n-multiplicative derivations from J to J' ar…