- #1

physics1000

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- TL;DR Summary
- Let us say we have f analytic in Ball_1(0).

which means, radius 1, starting at z_0 = 0 point.

If I want to find the boundary of Ball_1(0).

Will the boundary be {0} or {empty}?

Not homework, just an intuition to understand f(z)=1/z function ( for example ) better.

Let us say we have f analytic in ##Ball_1(0)##. which means, radius 1, starting at ##z_0 = 0## point. If I want to find the boundary of ##Ball_1(0)##. Will the boundary be ##{0}## or ##{\emptyset}##? Not homework, just an intuition to understand ##f(z)=\frac 1 z## function ( for example ) better.