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20142024
most citedOn Polish groups admitting non-essentially countable actions

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math.GN2024

The homeomorphisms of the Sierpiński carpet are not classifiable by countable structures

Dhruv Kulshreshtha, Aristotelis Panagiotopoulos

We show that the homeomorphisms of the Sierpiński carpet are not classifiable, up to conjugacy, using isomorphism types of countable structures as invariants.