The boundary of the orbit of the 3 by 3 determinant polynomial
arXiv:1512.02437 · doi:10.1016/j.crma.2016.07.002
Abstract
We consider the 3 by 3 determinant polynomial and we describe the limit points of the set of all polynomials obtained from the determinant polynomial by linear change of variables. This answers a question of J. M. Landsberg.