EDB — 0YN

Exercises

1. [0YN] Prerequisites: [0VB]↺↻.Difficulty:*.Show that \(N(𝜌)\) is bounded if and only if \(K\) contains only a finite number of points.

   Solution 1

   [0YP]↺↻

   So if \(K\) is infinite, then \(\lim _{𝜌→ 0+}N(𝜌)=∞\).