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14 votes

Is there a formula for the Frobenius-Schur indicator of a rep of a Lie group?

Let us write the Frobenius-Schur indicator of the representation $V$ with highest weight $\lambda$ as $\mathrm{FS}(\lambda)$. Let $R$ denote the root system, and let $\Pi=\{\alpha_1,\dots,\alpha_l\}$ …
Mikhail Borovoi's user avatar