Stably free module
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In mathematics, a stably free module is a module which is close to being free.
Definition
A module M over a ring R is stably free if there exist free modules F and G over R such that
Properties
- A module is stably free if and only if it possesses a finite free resolution.
See also
References
- Serge Lang (1993). Algebra, 3rd ed.. Addison-Wesley. ISBN 0-201-55540-9.