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Every $\Sigma$-CS-module has an indecomposable decomposition

Authors: José L. Gómez Pardo and Pedro A. Guil Asensio
Journal: Proc. Amer. Math. Soc. 129 (2001), 947-954
MSC (1991): Primary 16D70; Secondary 16D50
Published electronically: October 10, 2000
MathSciNet review: 1709763
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Abstract | References | Similar Articles | Additional Information


We show that every $\Sigma$-CS module is a direct sum of uniform modules, thus solving an open problem posed in 1994 by Dung, Huynh, Smith and Wisbauer. With the help of this result we also answer several other questions related to indecomposable decompositions of CS-modules.

References [Enhancements On Off] (What's this?)

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Additional Information

José L. Gómez Pardo
Affiliation: Departamento de Alxebra, Universidade de Santiago, 15771 Santiago de Compostela, Spain

Pedro A. Guil Asensio
Affiliation: Departamento de Matemáticas, Universidad de Murcia, 30100 Espinardo (Murcia), Spain

Received by editor(s): April 2, 1999
Received by editor(s) in revised form: July 8, 1999
Published electronically: October 10, 2000
Additional Notes: This work was partially supported by the DGES(PB96-0961, Spain). The second author was also partially supported by the Fundación Séneca (PB16FS97).
Communicated by: Ken Goodearl
Article copyright: © Copyright 2000 American Mathematical Society

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