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double affine braid group : ウィキペディア英語版 | double affine braid group In mathematics, a double affine braid group is a group containing the braid group of an affine Weyl group. Their group rings have quotients called double affine Hecke algebras in the same way that the group rings of affine braid groups have quotients that are affine Hecke algebras. For affine ''A''''n'' groups, the double affine braid group is the fundamental group of the space of ''n'' distinct points on a 2-dimensional torus. ==References==
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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「double affine braid group」の詳細全文を読む
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