Thinking Cap

Problem of the Month

Winners of the academic year 2022/23 are Matthew Hudson and Jacob Norris.

April 2024

Products of polynomials

Suppose that f(x), g(x) are two monic polynomials with non-negative real coefficients and suppose that the product f(x)g(x)=xn+an-1xn-1+...+a0 has the property that that each coefficient, ai, is either 0 or 1. Does it follow that f and g have the same property?