| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 4602180 | Linear Algebra and its Applications | 2009 | 11 Pages |
Abstract
Let TT be an n×nn×n matrix. The Davis–Wielandt shell of TT is defined as the setW(T,T∗T)={(x∗Tx,x∗T∗Tx):x∈C×R,x∗x=1}.In this paper, we discuss the existence of flat portions on the boundary of the Davis–Wielandt shell of 3-by-3 matrices.
Keywords
Related Topics
Physical Sciences and Engineering
Mathematics
Algebra and Number Theory
Authors
Mao-Ting Chien, Hiroshi Nakazato,