Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
4640704 | Journal of Computational and Applied Mathematics | 2010 | 5 Pages |
Abstract
The main result reads: if a nonsingular matrix AA of order n=pqn=pq is a tensor-product binomial with two factors then the tensor rank of A−1A−1 is bounded from above by min{p,q}min{p,q}. The estimate is sharp, and in the worst case it amounts to n.
Related Topics
Physical Sciences and Engineering
Mathematics
Applied Mathematics
Authors
Eugene Tyrtyshnikov,