Mackey's theory of $\tau$-conjugate representations for finite groups. APPENDIX: On Some Gelfand Pairs and Commutative Association Schemes

Tullio Ceccherini-Silberstein, Fabio Scarabotti, Filippo Tolli +2

The aim of the present paper is to expose two contributions of Mackey, together with a more recent result of Kawanaka and Matsuyama, generalized by Bump and Ginzburg, on the repres…