Reference(s):
- N. Jacobson. Basic algebra I. (2012) @ Section 8.5
Metaproperties:
This property has the following metaproperties
- passes to $eRe$ for any full idempotent $e$
- passes to $eRe$ for any idempotent $e$
- passes to localizations
- passes to quotient rings
- passes to subrings
- passes to the center
- stable under finite products
- stable under products
- forms an equational class
This property
does not have the following metaproperties
- Morita invariant
(counterexample needed)
- passes to matrix rings
(counterexample needed)
- passes to polynomial rings
(counterexample needed)
- passes to power series ring
(counterexample needed)