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In mathematics, a Zinbiel algebra or dual Leibniz algebra is a module over a commutative ring with a bilinear product satisfying the defining identity: : Zinbiel algebras were introduced by . The name was proposed by J.-M. Lemaire as being "opposite" to Leibniz algebra. The symmetrised product : is associative. A Zinbiel algebra is the Koszul dual concept to a Leibniz algebra. The free Zinbiel algebra over ''V'' is the tensor algebra with product : where the sum is over all (''p'',''q'') shuffles.〔 ==References== * * * * * 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「Zinbiel algebra」の詳細全文を読む スポンサード リンク
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