Proceedings of the American Mathematical Society

ISSN 1088-6826(online) ISSN 0002-9939(print)

 

 

The primality of subfactors of finite index
in the interpolated free group factors


Author: Marius B. Stefan
Journal: Proc. Amer. Math. Soc. 126 (1998), 2299-2307
MSC (1991): Primary 46L37, 46L50; Secondary 22D25
MathSciNet review: 1443410
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Abstract: In this paper we prove that any II$_{1}$-subfactor of finite index in the interpolated free group factor $L(F_{t})$ is prime for any $1<t\leq \infty $ i.e., it is not isomorphic to tensor products of II$_{1}$-factors.


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Additional Information

Marius B. Stefan
Affiliation: Department of Mathematics, University of Iowa, Iowa City, Iowa 52242
Email: stefan@math.uiowa.edu

DOI: http://dx.doi.org/10.1090/S0002-9939-98-04309-3
Keywords: Free entropy, prime factors
Received by editor(s): November 27, 1996
Received by editor(s) in revised form: January 10, 1997
Additional Notes: The author is a member of the Institute of Mathematics, Romanian Academy, Bucharest
Communicated by: Palle E. T. Jorgensen
Article copyright: © Copyright 1998 American Mathematical Society