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Abstract:

We investigate the behavior of finitely generated projective modules over a down-up algebra. Specifically, we show that every noetherian down-up algebra A(α,β,γ) has a non-free, stably free right ideal. Further, we compute the stable rank of these algebras using Stafford's Stable Range Theorem and Kmax dimension. © 2018

Registro:

Documento: Artículo
Título:Stable rank of down-up algebras
Autor:Gallego, C.; Solotar, A.
Filiación:IMAS, UBA-CONICET, Consejo Nacional de Investigaciones Científicas y Técnicas, Ciudad Universitaria, Pabellón I, Buenos Aires, 1428, Argentina
Departamento de Matemática, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Pabellón I, Buenos Aires, 1428, Argentina
Palabras clave:Down-up algebras; Kmax dimension; Krull dimension; Projective modules; Stable rank; Stably free modules
Año:2019
Volumen:526
Página de inicio:266
Página de fin:282
DOI: http://dx.doi.org/10.1016/j.jalgebra.2018.02.037
Título revista:Journal of Algebra
Título revista abreviado:J. Algebra
ISSN:00218693
CODEN:JALGA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00218693_v526_n_p266_Gallego

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Citas:

---------- APA ----------
Gallego, C. & Solotar, A. (2019) . Stable rank of down-up algebras. Journal of Algebra, 526, 266-282.
http://dx.doi.org/10.1016/j.jalgebra.2018.02.037
---------- CHICAGO ----------
Gallego, C., Solotar, A. "Stable rank of down-up algebras" . Journal of Algebra 526 (2019) : 266-282.
http://dx.doi.org/10.1016/j.jalgebra.2018.02.037
---------- MLA ----------
Gallego, C., Solotar, A. "Stable rank of down-up algebras" . Journal of Algebra, vol. 526, 2019, pp. 266-282.
http://dx.doi.org/10.1016/j.jalgebra.2018.02.037
---------- VANCOUVER ----------
Gallego, C., Solotar, A. Stable rank of down-up algebras. J. Algebra. 2019;526:266-282.
http://dx.doi.org/10.1016/j.jalgebra.2018.02.037