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Results tagged with at.algebraic-topology
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user 22857
Homotopy theory, homological algebra, algebraic treatments of manifolds.
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Cup product with arbitrary coefficients
I apologize in advance if this question is inappropriate for this forum.
I am reading Hatcher's book and have the following problem: Let $X$ be a space, $G$ an abelian group and $R$ a ring. In his p …
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