Top network posts

• 13 Is a finite dimensional CW complex with the same homotopy groups as $S^n$ homotopy equivalent to $S^n$
• 10 Every group the homology of some space?
• 9 Closed orientable 4-manifolds with $H_2(M)\cong \mathbb{Z}$ do not admit free actions of $\mathbb{Z}/2$
• 7 An equivalence relation on the isomorphism classes of finite groups
• 6 Two questions on Massey's Algebraic Topology, Chapter 2.8
• 5 When do elements of $\operatorname{Hom}(G,G)$ correspond to invertible self maps of $K(G,n)$?
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