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.
Original language | English (US) |
---|---|
Pages (from-to) | 239-243 |
Number of pages | 5 |
Journal | Journal of Algebra |
Volume | 410 |
DOIs | |
State | Published - Jul 15 2014 |
All Science Journal Classification (ASJC) codes
- Algebra and Number Theory