Browsing by Author Teixeira, R.
Results 1 to 2 of 2
| Issue Date | Title | Author(s) | Type | Access |
|---|---|---|---|---|
| 2008 | Flat portions on the boundary of the indefinite numerical range of 3×3 matrices | Bebiano, N. ; Providência, J. da ; Teixeira, R. | article | openAccess |
| 2007 | Geometry of the numerical range of Krein space operators | Bebiano, N. ; Providência, J. da ; Teixeira, R. | preprint | openAccess |