The isomorphism problem for profinite completions of residually finite groups

The isomorphism problem for profinite completions of residually finite groups

We consider pairs of finitely presented, residually finite groups $u:P\hookrightarrow \Gamma$. We prove that there is no algorithm that, given an arbitrary such pair, can determine whether or not the associated map of profinite completions $\hat{u}: \widehat{P} \to \widehat{\Gamma}$ is an isomorphis...

書誌詳細
主要な著者:	Bridson, M, Wilton, H
フォーマット:	Journal article
出版事項:	European Mathematical Society 2014

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