|
|||||
|
|
Hyperbolicity cones of elementary symmetric polynomials are spectrahedral |
|
| Authors: | Petter Brändén |
| Institution: | 1. Department of Mathematics, Royal Institute of Technology, 100 44?, Stockholm, Sweden |
| Abstract: | We prove that the hyperbolicity cones of elementary symmetric polynomials are spectrahedral, i.e., they are slices of the cone of positive semidefinite matrices. The proof uses the matrix-tree theorem, an idea already present in Choe et al. |
| Keywords: | |
| 本文献已被 SpringerLink 等数据库收录！ | |