Micro-Local Analysis of Prehomogeneous Vector Spaces. M. Kashiwara, M. Sato, T. Kimura (1980/1981) Inventiones mathematicae
Multiplicative maps on invertible matrices that preserve matricial properties. Guralnick, Robert M., Li, Chi-Kwong, Rodman, Leiba X. (2003) ELA. The Electronic Journal of Linear Algebra [electronic only]