---
tag: 0KN2S81K72
kind: concept
name: Ring isomorphism
msc: [16B99]
sources:
  - url: https://en.wikipedia.org/wiki/Ring_homomorphism
    locator: Endomorphisms, isomorphisms, and automorphisms
---

## Summary

A ring isomorphism is a bijective ring homomorphism.
Two rings are isomorphic when there is a ring isomorphism between them.
The [[definition of a ring isomorphism|0B6QC0C0G1]] gives the details.