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$\begingroup$ I've never seen charge conjugation being defined as an outer automorphism before. Are there any resources where I can read up more about this? $\endgroup$
– Ishan Deo
Commented 22 hours ago
2

$\begingroup$ @IshanDeo It's sort of a well-known fact for practitioners (e.g., Seiberg mentions this in passing in the first paragraph of section 1.1 of 1712.08639), but introductory texts don't seem to mention this, so I don't know of any useful references. $\endgroup$
– AccidentalFourierTransform
Commented 13 hours ago

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