Torsion-free

In mathematics, the term torsion-free may refer to several unrelated notions:

• In abstract algebra, a group is torsion-free if the only element of finite order is the identity.
• In abstract algebra, a torsion-free module is one with no nonzero torsion elements.
• In differential geometry, an affine connection is torsion-free if its torsion tensor vanishes.

See also

• Torsion (disambiguation)

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