WannaBe22
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Homework Statement
I need to find isomorphisms from D to R in the next cases:
1. D=(z: 0<|z|<1)$ , $ R=(z:1<|z|<2)
2. D= (z: \frac{3 \pi}{4} <argz< \pi , |z|>2 )$ , $R= (z:Rez<0,0<Imz< \pi)
3. D=(z:0<Imz<2)-(z:z=x+i:x \leq -1) $ , $R= (z: |z|<1 , Imz>0).
Homework Equations
The Attempt at a Solution
I've no idea about these three cases...
Hope you'll be able to help me!
Tnx