Say in the most classical case, we probe a topological space $X$ by the n-simplices $\Delta^n$ by using the nerve functor $Hom_{Top}(-,X)$. Is another functor $Hom_{Top}(X,-)$ of any use, or is there a dual notion for the nerve functor? Thank you so much?
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Jiarui Fei
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Is there a dual notion for the Nerve functor?
Jiarui Fei
- 417
- 2
- 9