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Results tagged with planar-algebras
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user 27013
4
votes
Accepted
A Schur-like product theorem on groups
The answer is positive. For ease of notation, let me write $a=\sum_g \alpha_g u_g$ and $b = \sum_g \beta_g u_g$.
Let's equip $\mathbb{C}G$ with the positive inner product induced by the standard basi …
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