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Higher signs for Coxeter groups

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 نشر من قبل Zhiwei Yun
 تاريخ النشر 2019
  مجال البحث
والبحث باللغة English
 تأليف Zhiwei Yun




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We define and study cocycles on a Coxeter group in each degree generalizing the sign function. When the Coxeter group is a Weyl group, we explain how the degree three cocycle arises naturally from geometry representation theory.



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