2 problems

Let $G_0$ be any connected unipotent group over ${\mathbb F}_q$, let $G=G_0\otimes_{{\mathbb F}_q}{\mathbb F}$ with Frobenius $\operatorname{Fr}$, and let…

Let $G$ be a finite group, let $C(G)$ denote the group of class functions on $G$, and let $\Psi_t$ be the map on class functions defined in the paper. Here $t$ is a complex paramet…