A biholomorphism 𝔻 would invert to a bounded entire function. is the sole exception in the Riemann mapping theorem.
Counterexample bank
Part C is won by knowing which tempting claims are false. 148 counterexamples; 85 free. The rest come with the Notes pack.
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#1 · Complex Analysis, Algebra & Topology › Zeros and Mappings
“ℂ and the unit disc are biholomorphic (both are simply connected)” — false
Counterexample: Liouville's theorem
complexconformal