ABSTRACT

Let E be a compact set in the complex plane ℂ. Define the uniform (sup) norm on E as follows: https://www.w3.org/1998/Math/MathML"> ‖ f ‖ E = sup z ∈ E | f ( z ) | . https://s3-euw1-ap-pe-df-pch-content-public-p.s3.eu-west-1.amazonaws.com/9780138747022/abb99e87-ffb7-4196-a4c4-acb0033e3d6a/content/eq2276.tif" xmlns:xlink="https://www.w3.org/1999/xlink"/>