👉 In mathematics, an endomorphism is a function from one algebraic structure (usually a group or ring) to itself. These functions are often used in algebra, particularly in studying groups and rings.
The term "endomorphism" can be seen as a self-contained definition of the concept, which means that it describes what this mathematical object does:
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Definition
: An endomorphism is a function from one algebraic structure (usually a group or ring) to itself.
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