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Automorphisms are bijective mappings that preserve algebraic structure, and they form the basis of Galois groups by describing how fields interrelate.

Conditions: Informal definition; Preservation of algebraic structure is asserted without specifying operations; The relation to the base field is not explicitly stated

Automorphisms are bijective mappings that preserve algebraic structure, and they form the basis of Galois groups by describing how fields interrelate.

Conditions: Informal definition; Preservation of algebraic structure is asserted without specifying operations; The relation to the base field is not explicitly stated