this may be only a trivial question. But I wonder if there is any known name for the space $\bigvee^n I:=\bigsqcup^n [0,1]/\bigsqcup^n\{0\}$, namely n-folds pointed sum of interval. Any idea?
2026-04-24 23:51:38.1777074698
The name of pointed sum of n-intervals
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It is called a hedgehog space, due to its spikiness which resembles a hedgehog (a little).