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Biased permutative equivariant categories

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 نشر من قبل Angelica Osorno
 تاريخ النشر 2019
  مجال البحث
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For a finite group G, we introduce the complete suboperad $Q_G$ of the categorical G-Barratt-Eccles operad $P_G$. We prove that $P_G$ is not finitely generated, but $Q_G$ is finitely generated and is a genuine $E_infty$ G-operad (i.e., it is $N_infty$ and includes all norms). For G cyclic of order 2 or 3, we determine presentations of the object operad of $Q_G$ and conclude with a discussion of algebras over $Q_G$, which we call biased permutative equivariant categories.



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