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Apr 23, 2023 at 11:54 vote accept F.T.
Apr 23, 2023 at 9:16 history edited Robert Bryant CC BY-SA 4.0
Added a simple example and a comment about the 3-dimensional case.
Apr 22, 2023 at 17:03 history edited Moishe Kohan CC BY-SA 4.0
Replaced "commutator" with "centralizer."
Apr 22, 2023 at 10:42 history answered Robert Bryant CC BY-SA 4.0