Algebraic Topology · Problem 3F.6

Cohomology — Allen Hatcher

Mathematics — Topology · ext-Zpinfty-Zp

Problem

Show that Ext(Zp∞,Zp)≈Zp\mathrm{Ext}(\mathbb{Z}_{p^\infty}, \mathbb{Z}_p) \approx \mathbb{Z}_p.

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