Introduces uniformly recurrent subalgebras (URAs) and proves they characterize C*-simplicity of groups via amenable crossed products while allowing arbitrary topological complexity.
arXiv preprint arXiv:2112.01337 , year=
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Uniformly recurrent subalgebras in finite von Neumann algebras
Introduces uniformly recurrent subalgebras (URAs) and proves they characterize C*-simplicity of groups via amenable crossed products while allowing arbitrary topological complexity.