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Mobius maps form a Simple group

  1. Jun 17, 2010 #1
    Hi all,

    How do I prove that the set of all Mobius Maps form a simple group, that is they have no non-trivial subgroup? How can I characterize a non-trivial subgroup? Hints will be welcome.

  2. jcsd
  3. Jun 20, 2010 #2
    hi guys, plz help.
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