Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
4602096 | Linear Algebra and its Applications | 2009 | 12 Pages |
Abstract
Let X,Y, and Z be linear spaces and let A and B be linear relations from X to Y and from Y to Z, respectively. The main result of this note is a formula which relates the nullities and the defects of the relations A and B with those of the product relation BA.
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