Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
4602370 | Linear Algebra and its Applications | 2008 | 12 Pages |
Abstract
It is shown that not all sign idempotent sign patterns are similar to nonnegative sign patterns. We present two classes of sign idempotent sign patterns that are similar to nonnegative sign patterns. An open problem posed by C. Eschenbach is answered.
Related Topics
Physical Sciences and Engineering
Mathematics
Algebra and Number Theory