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about mobius transformation.

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math_student

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Jan 23, 2009, 8:12:36 AM1/23/09
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i try to understand about this topic..vut its really hard for me..playing with proving..i taught i can understand..but zero..hope that someone can help me with this question..
'
to prove the poincare upper half plane u={z element of complex number)..
and H which is collection of mobius transformation is maps u onto u itself...'
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