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6:35 PM
Two new tags and (both created by user122424).
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Q: Singular $n$-simplex, unknown notation, homology

user122424I would like to know what is denoted in the singular simplices paragraph by $e_0,...,e_n$ here: $$[p_0,p_1,...,p_n]=[\sigma(e_0),...,\sigma(e_n)]$$ ? How this matches with simplicial identities $d_i$ and $s_i$ ?

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Q: Smash product of $I_+$ with a space $X$

user122424Let $K_+$ denote the union of $K$ with a disjoint base point.What is in words $X\wedge I_+$ where $I=[0,1]$?

 

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