Brp(Fn)B^p_r(F_n) has no nontrivial idempotents

preprint2022arXivOpen access

Abstract

We show that there is no nontrivial idempotent in the reduced group ℓp\ell^p-operator algebra Brp(Fn)B^p_r(F_n) of the free group FnF_n on nn generators for each positive integer nn.

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