If S is a domain that is simply connected for S not equal to complex plane and z is in D. Assume g maps D into itself and f(z)=z.(adsbygoogle = window.adsbygoogle || []).push({});

prove |f'(z)|<=1

how should I do this? nowhere near the desired result.. help!

**Physics Forums | Science Articles, Homework Help, Discussion**

Dismiss Notice

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Homework Help: Analysis proof

**Physics Forums | Science Articles, Homework Help, Discussion**