Article
Keywords:
totally positive matrix; Monge matrix; semigroup; Vandermonde-like matrix
Summary:
A close relationship between the class of totally positive matrices and anti-Monge matrices is used for suggesting a new direction for investigating totally positive matrices. Some questions are posed and a partial answer in the case of Vandermonde-like matrices is given.
References:
[1] Fallat, S. M., Johnson, C. R.:
Totally Nonnegative Matrices. Princeton Series in Applied Mathematics Princeton University Press, Princeton (2011).
MR 2791531
[4] Fiedler, M.:
Equilibrated anti-Monge matrices. Linear Algebra Appl. 335 (2001), 151-156.
MR 1850820 |
Zbl 0983.15023