Studia Mathematica · 2004 · 115 citations · 9 references
Natural SciencesMathematicsProbability TheoryStochastic ProcessesApproximation AlgorithmsApproximation MethodsOperator TheoryWeak ConvergenceApproximation PropertiesConvergencePositive Operators
Using $A$-statistical convergence, we prove a Korovkin type approximation theorem which concerns the problem of approximating a function $f$ by means of a sequence $\{T_{n}(f;x)\}$ of positive linear operators acting from a weighted space $C_{\varrho_{1}}
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J. A. Fridy · Analysis · 1985 · 1.5K citations
Allen R. Freedman, John J. Sember · Pacific Journal of Mathematics · 1981 · 442 citations · Full text