Remarks on HNN extensions in operator algebras
Yoshimichi Ueda
Source: Illinois J. Math. Volume 52, Number 3
(2008), 705-725.
Abstract
It is shown that any HNN extension is precisely a compression by a projection of a certain amalgamated free product in the framework of operator algebras. As its applications several questions for von Neumann algebras or C*-algebras arising as HNN extensions are considered.
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Permanent link to this document: http://projecteuclid.org/euclid.ijm/1254143997
Zentralblatt MATH identifier: 05615664
Mathematical Reviews number (MathSciNet): MR2546003
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Illinois Journal of Mathematics
