MathDB
Monochromatic triangle of area one

Source: Kvant Magazine No. 8 2020 M2617

March 9, 2023
combinatorial geometrycombinatoricsKvant

Problem Statement

The points in the plane are painted in 100 colors. Prove that there are three points of the same color that are the vertices of a triangle of area 1.
Proposed by V. Bragin