Favard constant


In mathematics, the Favard constant, also called the Akhiezer–Krein–Favard constant, of order r is defined as

This constant is named after the French mathematician Jean Favard, and after the Soviet mathematicians Naum Akhiezer and Mark Krein.

Particular valuesEdit



This constant is used in solutions of several extremal problems, for example


  • Weisstein, Eric W. "Favard Constants". MathWorld.