On a quadratic functional of the problem on an exact constant in Jackson's inequality for approximation of linear positive operators

Publication date: 25 February 2004

Published in: Vestnik St. Petersburg University. Mathematics (Search for Journal in Brave)

Mathematics Subject Classification ID

Inequalities in approximation (Bernstein, Jackson, Nikol'ski?-type inequalities) (41A17) Approximation by positive operators (41A36)

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