MathDB
ASU 259 All Soviet Union MO 1978 1978 inscibed squares in plot of y=Asin(x)

Source:

July 6, 2019
Squarescombinatorial geometrycombinatorics

Problem Statement

Prove that there exists such a number AA that you can inscribe 19781978 different size squares in the plot of the function y=Asin(x)y = A sin(x). (The square is inscribed if all its vertices belong to the plot.)