Конструктивная характеристика классов С. Л. Соболева на дизъюнктных отрезках

N. Yu. Krasheninnikova

Russian State Pedagogical University of Herzen, Department of Mathematics

Abstract: The constructive characte of the functional Sobolev class $W_{2}^{l}, l=2,3,\dots$ , on a set of a finite number of disjoiont segments is given in terms of weighed polynomial approximation.

UDC: 517

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