Ring homomorphism

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Notion

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Science and technology

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What Wikipedia says

In mathematics, a ring homomorphism is a structure-preserving function between two rings. More explicitly, if R and S are rings, then a ring homomorphism is a function f : R → S that preserves addition, multiplication and multiplicative identity; that is,

Excerpt from the Wikipedia article “Ring homomorphism”, under the CC BY-SA 4.0 license. Read the article on Wikipedia