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Results tagged with at.algebraic-topology
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user 13577
Homotopy theory, homological algebra, algebraic treatments of manifolds.
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Cup products and the transfer map
Let $G_1$ be a finite-index subgroup of $G_2$. Let $i : H^{\ast}(G_2) \rightarrow H^{\ast}(G_1)$ be the induced map of rings. There is then a transfer homomorphism $\tau : H^{\ast}(G_1) \rightarrow …
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