Abstract
We consider the optimal control problem without terminal constraints. With the help of nonstandard functional increment formulas we introduce definitions of strongly extremal controls. Such controls are optimal in linear and quadratic problems. In the general case, the optimality property is provided with an additional concavity condition of Pontryagin’s function with respect to phase variables.
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Original Russian Text © V.A. Srochko, V.G. Antonik, 2014, published in Izvestiya Vysshikh Uchebnykh Zavedenii. Matematika, 2014, No. 8, pp. 96–102.
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Srochko, V.A., Antonik, V.G. Sufficient optimality conditions for extremal controls based on functional increment formulas. Russ Math. 58, 78–83 (2014). https://doi.org/10.3103/S1066369X14080118
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DOI: https://doi.org/10.3103/S1066369X14080118