Hyperoctahedral Operations on Hochschild
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N. Bergeron
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Article
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1995
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Elsevier Science
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English
โ 680 KB
We construct families \(\left\{\rho_{n}^{(t, k)}\right\}\) of orthogonal idempotents of the hyperoctahedral group algebras \(Q\left[B_{n}\right]\), which commute with the Hochschild boundary operators \(h_{n}=\sum_{i=0}^{n}(-1)^{i} d\). We show that those idempotents are projections onto some hypero