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**Chapter 3 / Confused about the notation in maximum modulus principle**

« **on:**December 15, 2020, 10:20:52 AM »

Hello, this is the problem 5 from the sample exam 2020F, I am kind of confused by the notation here. What is meant by find instead $max_D Re(f(z))$ and $\in_D Re(f(z))$? Are we suppose to find the maximum of the real part of the function f on the bounded domain D?