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The exchange property for purely infinite simple rings

Author(s): Pere Ara
Journal: Proc. Amer. Math. Soc. 132 (2004), 2543-2547.
MSC (2000): Primary 16E50, 16D30
Posted: March 25, 2004
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Abstract: It is proven that every purely infinite simple ring is an exchange ring. This result is applied to determine those Leavitt algebras that are exchange rings.

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Additional Information:

Pere Ara
Affiliation: Departament de Matemàtiques, Universitat Autònoma de Barcelona, 08193, Bellaterra (Barcelona), Spain
Email: para@mat.uab.es

DOI: 10.1090/S0002-9939-04-07369-1
PII: S 0002-9939(04)07369-1
Keywords: Purely infinite simple ring, exchange ring, Leavitt algebra
Received by editor(s): March 15, 2003
Received by editor(s) in revised form: May 30, 2003
Posted: March 25, 2004
Additional Notes: The author was partially supported by MEC-DGESIC, and by the Comissionat per Universitats i Recerca de la Generalitat de Catalunya.
Communicated by: Martin Lorenz
Copyright of article: Copyright 2004, American Mathematical Society

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