ELA, Volume 3, pp. 142-152, August 1998, abstract.
On Spaces of Matrices with a Bounded Number of Eigenvalues
Raphael Loewy and Nizar Radwan
The following problem, originally proposed by Omladic and Semrl
[Linear Algebra Appl., 249:29--46 (1996)], is considered. Let k and
n be positive integers such that k