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Talk:String group

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Dimension restriction

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I think, this needs a dimension restriction of at least . Otherwise is a point or circle implying that it does not have a third homotopy group to be killed. — Preceding unsigned comment added by 2A00:1398:9:FB03:DD1E:DEBC:DD79:8DD0 (talk) 14:16, 15 October 2019 (UTC)[reply]