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Mathematics
OpenStudy (anonymous):

what is automorphism of a group?

OpenStudy (shadowfiend):

Hm. In what context? I think it usually depends on what kinds of mathematical objects the group contains.

OpenStudy (anonymous):

It's a way to map a group onto itself.

OpenStudy (anonymous):

Automorphism between two groups is a bijective function which preserves the structure.

OpenStudy (anonymous):

this is abstract algebra... use a calculator noob

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