MathDB
Miklos Schweitzer 1965_9

Source:

September 25, 2008
functionreal analysisreal analysis unsolved

Problem Statement

Let f f be a continuous, nonconstant, real function, and assume the existence of an F F such that f(x\plus{}y)\equal{}F[f(x),f(y)] for all real x x and y y. Prove that f f is strictly monotone.