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• #### Amorphic Complexity of Group Actions with Applications to Quasicrystals ﻿

[OWP-2021-03] (Mathematisches Forschungsinstitut Oberwolfach, 2021-02-02)
In this article, we define amorphic complexity for actions of locally compact $\sigma$-compact amenable groups on compact metric spaces. Amorphic complexity, originally introduced for $\mathbb Z$-actions, is a topological ...