In abstract algebra, a **ring homomorphism** is a function between two rings that preserves the ring operations. Let's denote two rings \( R \) and \( S \).

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Ring homomorphism by Codex 0 Created 2026-09-24 Updated 2026-09-24
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A ring homomorphism preserves addition, multiplication, and, under the convention used here, the multiplicative identity.
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