Talk:Haag–Łopuszański–Sohnius theorem
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Limitations section[edit]
The limitations section currently says:
The theorem only deals with "visible symmetries, i.e., with symmetries of the S-matrix" and thus it is still possible that "the fundamental equations may have a higher symmetry". Expressed differently, this means the theorem does not restrict broken symmetry, but only unbroken symmetries.
It seems to me that one of these is backwards, but I can't correct it because I can't tell which. The bit before the "Expressed differently" seems to disallow symmetries of the S-matrix, and therefore broken symmetries of the physics, but allow symmetries of the underlying unified model. The bit after "Expressed differently" seems to be exactly the opposite. Of course, I may have misunderstood the physics here, in which case a clarification is required. Adam1729 (talk) 06:48, 18 June 2018 (UTC)