CARATHEODORY'S ROYAL ROAD OF THE CALCULUS OF VARIATIONS: MISSED EXITS TO THE MAXIMUM PRINCIPLE OF OPTIMAL CONTROL THEORY

摘要

The purpose of the present paper is to show that the most prominent results in optimal control theory, the distinction between state and control variables, the maximum principle, and the principle of optimality, resp. Bellman's equation are immediate consequences of Caratheodory's achievements published about two decades before optimal control theory saw the light of day.