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GENERALIZED GELFAND–GRAEV REPRESENTATIONS IN SMALL CHARACTERISTICS
Let $\mathbf{G}$ be a connected reductive algebraic group over an algebraic closure $\overline{\mathbb{F}_{p}}$ of the finite field of prime order $p$ and let $F:\mathbf{G}\rightarrow \mathbf{G}$ be a Frobenius endomorphism with $G=\mathbf{G}^{F}$ the corresponding $\mathbb{F}_{q}$ -rational structure. One of the strongest links we have between the representation theory of $G$ and …