Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
4584775 | Journal of Algebra | 2014 | 5 Pages |
Abstract
We prove that the stable rank of any pullback (fibre product) does not exceed the stable ranks of factors. We obtain also another result bounding the stable rank of a ring by the stable ranks of its factor rings.
Related Topics
Physical Sciences and Engineering
Mathematics
Algebra and Number Theory
Authors
L.N. Vaserstein,