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pow:problem5s23 [2023/04/10 02:16] – created mazurpow:problem5s23 [2023/04/11 16:03] (current) mazur
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 +<box 85% round orange| Problem 5 (due Monday, April 10)>
  
 +Consider a set $S$ of $n$ distinct points on  a plane. A circle is called minimal for S if every point of $S$ is either on the circle or inside the circle and there are at lest 3 points from $S$ on the circle. What is the largest possible number of minimal circles a set with $n$ points can have?  
 +
 +</box>
 +We did not receive any correct solutions (we received one solution which was not correct). The answer to the problem
 +is $n-2$ for all $n\geq 3$. For a detailed solution see the following link {{:pow:2023sproblem5.pdf|Solution}}.