1 results
On sofic approximations of
${\mathbb F}_2\times {\mathbb F}_2$
- Part of
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- Journal:
- Ergodic Theory and Dynamical Systems / Volume 42 / Issue 7 / July 2022
- Published online by Cambridge University Press:
- 04 May 2021, pp. 2333-2351
- Print publication:
- July 2022
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- Article
- Export citation
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We construct a sofic approximation of
${\mathbb F}_2\times {\mathbb F}_2$
that is not essentially a ‘branched cover’ of a sofic approximation by homomorphisms. This answers a question of L. Bowen.
