Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
4601609 | Linear Algebra and its Applications | 2010 | 11 Pages |
Abstract
In this paper, nonsingular totally nonpositive matrices are studied and new characterizations are provided in terms of the signs of minors with consecutive initial rows or consecutive initial columns. These characterizations extend an existing characterization that uses some restrictive hypotheses.
Related Topics
Physical Sciences and Engineering
Mathematics
Algebra and Number Theory