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New posts in torsion-groups
Is it true that a flat module is torsion-free over an arbitrary ring? Does the reverse implication hold for finitely generated modules?
abstract-algebra
ring-theory
noncommutative-algebra
torsion-groups
flatness
Can a countably infinite torsion group exist in which the density of squares is double the density of non-squares?
group-theory
torsion-groups
Let $H$ be a group, if its abelianization is $\mathbb{Z}_2$ does this mean that $H$ has torsion?
group-theory
torsion-groups
A proof for $\widehat{\Bbb Z_{p^\infty}}\cong Z_p$
group-theory
reference-request
topological-groups
duality-theorems
torsion-groups
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