Associative rings and algebras Basic notions Concept
Idempotent element
Summary
An idempotent element of a ring is an element that is equal to its own square. The definition of an idempotent element states this precisely.
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| Tag | 0N5NJZKKN3 |
|---|---|
| URI | m2://0N5NJZKKN3 |
| Kind | concept |
| Writing | W0 stub |
| MSC | 16U40 |
| Same as |
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Definitions
Used by
- Regular semigroup
- Inverse semigroup
- Karoubi envelope
- von Neumann regular ring
- Kaplansky's conjectures
- Green's relations
- Eichler order