In the present paper we are concerned with Schröder's functional equation , where ϕ(x) is the unknown function and is a number between 0 and 1: . We shall prove a theorem which generalizes some earlier results on convex solutions of the Schröder equation [4], [5].
No takes yet. Share an insight, caveat, or question.
Marek Kuczma (1964) studied this question.