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Torsion-free : ウィキペディア英語版 | 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)
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Torsion-free」の詳細全文を読む
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