1. Azad, H., Barry, M. and Seitz, G. (1990) On the structure of parabolic subgroups, Comm. in Alg.
18, 551–562.
2. Brundan, J. (1997) Double coset density in classical algebraic groups, Trans. Amer. Math. Soc., to appear.
3. Brundan, J. (1997) Double coset density in exceptional algebraic groups, J. London Math. Soc., to appear.
4. Brundan, J. (1998) Dense orbits and double cosets, pp. 259–274 of this volume.
5. Carter, R. (1985) Finite Groups of Lie Type: Conjugacy Classes and Complex Characters, Wiley-Interscience, New York.