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Examples of amalgamated free products and coupling rigidity

Published online by Cambridge University Press:  02 February 2012

YOSHIKATA KIDA
YOSHIKATA KIDA*
Affiliation:
Department of Mathematics, Kyoto University, 606-8502 Kyoto, Japan (email: [email protected])
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Abstract

We present amalgamated free products satisfying coupling rigidity with respect to the automorphism group of the associated Bass–Serre tree. As an application, we obtain orbit equivalence rigidity for amalgamated free products of mapping class groups.

Type
Research Article
Information
Ergodic Theory and Dynamical Systems , Volume 33 , Issue 2 , April 2013 , pp. 499 - 528
Copyright
©2012 Cambridge University Press

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