Top network posts

• 36 Mistakes in Bredon's book "Topology and Geometry"?
• 14 Which abelian groups are $\varprojlim^1$ groups?
• 14 Why is it that if a ring is simple, its center must be a field?
• 13 Example of a ring with non-finitely generated unit group?
• 11 Are the rationals definable in any number field?
• 9 Derived functor of Malcev completion ( = "rational K-theory")
• 9 (Torsion in) homology of free nilpotent groups
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