I am looking for a good reference for the structure of the cohomology ring $H^*(Z^n,Z)$. In particular, I would like to know how large is the subgroup of $H^2(Z^n,Z)$ generated by cup-products from $H^1(Z^n,Z)$.
I will be grateful for any help!
2026-03-28 12:14:32.1774700072
Group cohomology of free abelian groups
623 Views Asked by Bumbble Comm https://math.techqa.club/user/bumbble-comm/detail AtRelated Questions in GROUP-COHOMOLOGY
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