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Results tagged with cup-product
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user 10217
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Formula relating the cup product in dimensions n and n+1
Let's will write $K_n$ for the Eilenberg-MacLane space $K(\mathbb{Z},n)$. I remind that $K_n$ is equivalent to the loop space of $K_{n+1}$.
Let’s consider the map $\smallsmile:K_n\times K_m \to K_{n+ …
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