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Math Help - Unitary representation equivalence

  1. #1
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    Unitary representation equivalence

    Hi everyone,

    In a set of lecture notes on quantum mechanics it was stated that 'every representation of the rotation group is equivalent to a unitary one'.
    I don't understand why this is the case, and I'd really like to understand how this works. Can anyone provide a proof of this or refer me to a source on this? I haven't been able to find a good source at all so far.

    Thanks!
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  2. #2
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    Re: Unitary representation equivalence

    Hey Lockdown.

    What you need to look at is the proof for isomorphism between the two groups:

    Circle group - Wikipedia, the free encyclopedia
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