On normalizers of maximal tori in classical Lie groups

A. A. Gerasimov, D. R. Lebedev, S. V. Oblezin

The normalizer $N_G(H_G)$ of a maximal torus $H_G$ in a semisimple complex Lie group $G$ does not in general allow a presentation as a semidirect product of $H_G$ and the correspon…