Antônio Pereira Brandão

Patient outcomes after surgery in 17 Latin American countries (LASOS): a 7 day prospective cohort study

Adrián Alvarez, Sean M. Bagshaw, Bruce Biccard, Luis Alejandro Boccalatte et autres

BACKGROUND: Access to safe surgical treatment across Latin America is limited by underfunded and fragmented health systems. Epidemiological data are required to describe surgical activity and patient outcomes. METHODS: We did this 7 day prospective cohort study in 17 Latin American countries, …

Z-gradings of full support on the Grassmann algebra

Antônio Pereira Brandão, Claudemir Fidelis, Alan Guimarães

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$\mathbb{Z}$-gradings of full support on the Grassmann algebra

Alan Guimarães, Antônio Pereira Brandão, Claudemir Fidelis

Let $E$ be the infinite dimensional Grassmann algebra over a field $F$ of characteristic zero. In this paper we investigate the structures of $\mathbb{Z}$-gradings on $E$ of full support. Using methods of elementary number theory, we describe the $\mathbb{Z}$-graded polynomial identities for …

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Graded A-identities for the matrix algebra of order two

Antônio Pereira Brandão, Dimas José Gonçalves, Plamen Koshlukov

Let [Formula: see text] be a field of characteristic 0 and let [Formula: see text]. The algebra [Formula: see text] admits a natural grading [Formula: see text] by the cyclic group [Formula: see text] of order 2. In this paper, we describe …

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The central polynomials for the Grassmann algebra

Antônio Pereira Brandão, Plamen Koshlukov, Alexei Krasilnikov, Élida Alves da Silva

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Graded Central Polynomials forT-Prime Algebras

Sérgio Mota Alves, Antônio Pereira Brandão, Plamen Koshlukov

Let K be a field, char K = 0, and let E = E 0⊕ E 1 be the Grassmann algebra of infinite dimension over K, equipped with its natural ℤ2-grading. If G is a finite abelian group and R = ⨁ …

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Graded central polynomials for the algebra M n (K)

Antônio Pereira Brandão

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Graded central polynomials for the matrix algebra of order two

Antônio Pereira Brandão, Plamen Koshlukov, Alexei Krasilnikov

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Polinomios centrais para algebras graduadas

Antônio Pereira Brandão

pelo incentivo e pelo maravilhoso ambiente familiar, no qual o amor, o respeito e o companheirismo sempre estiveram muito presentes.À minha grande amiga e colega Marisa de Sales Monteiro, cuja satisfação em ensinar e aprender e cujas força interior e nobreza de …

Central polynomials for Z2 -graded algebras and for algebras with involution

Antônio Pereira Brandão, Plamen Koshlukov

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Central polynomials for graded algebras

Antônio Pereira Brandão

Orientador: Plamen Koshlukov