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Proceedings of the American Mathematical Society
Proceedings of the American Mathematical Society
ISSN 1088-6826(online) ISSN 0002-9939(print)

 

Modular varieties with the Fraser-Horn property


Author: Diego Vaggione
Journal: Proc. Amer. Math. Soc. 127 (1999), 701-708
MSC (1991): Primary 08A05, 08B10
MathSciNet review: 1473681
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Abstract: The notion of central idempotent elements in a ring can be easily generalized to the setting of any variety with the property that proper subalgebras are always nontrivial. We will prove that if such a variety is also congruence modular, then it has factorable congruences, i.e., it has the Fraser-Horn property. (This property is well known to have major implications for the structure theory of the algebras in the variety.)


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Additional Information

Diego Vaggione
Affiliation: Facultad de Matemática, Astronomía y Física (Fa.M.A.F.), Universidad Nacional de Córdoba, Ciudad Universitaria, Córdoba 5000, Argentina
Email: vaggione@mate.uncor.edu

DOI: http://dx.doi.org/10.1090/S0002-9939-99-04647-X
PII: S 0002-9939(99)04647-X
Received by editor(s): April 24, 1997
Received by editor(s) in revised form: July 7, 1997
Additional Notes: This research was supported by CONICOR and SECYT (UNC)
Communicated by: Carl Jockusch
Article copyright: © Copyright 1999 American Mathematical Society