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Symmetry Groups Algebras Commutators Conserved Quantities

  1. Mar 5, 2012 #1
    Symmetry, Groups, Algebras, Commutators, Conserved Quantities

    OK, maybe this is asking too much, hopefully not.

    I'm trying to understand the connection between all of these constructions. I wonder if a summary about these interrelationship can be given.

    If I understand what I'm reading, there is a connection between finite groups and algebras, though I think I'm confused between what objects are involved in each and what each acts upon if anything. And I understand that there is a conserved quantity for every symmetry, but this is only for symmetries of Action integral, right? What I'm not sure about, though, is whether there is a connection between algebras and commutation relations. Any insight you could give in these areas would be appreciated. Thanks.
    Last edited: Mar 5, 2012
  2. jcsd
  3. Mar 7, 2012 #2
    Re: Symmetry, Groups, Algebras, Commutators, Conserved Quantities

    For example, as I understand it, conserved quantities only apply to continuous symmetries of the Action integral. Or are there conserved quantities for finite symmetries as well?

    I thought I heard people say that the commutation relations define the algebra, is this right?

    Moderator: Do you think this thread should be moved to Quantum Physics Forum? That is what is motivating these questions.
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