A Korovkin-type theorem for double sequences of positive linear operators via power series method |
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Authors: | Pınar Okçu Şahin Fadime Dirik |
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Institution: | 1.Department of Mathematics,Sinop University,Sinop,Turkey |
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Abstract: | In this paper, using power series method we obtain a Korovkin type theorem for double sequences of real valued functions defined on a compact subset of \(\mathbb {R}^{2}\)(the real two-dimensional space). We also present an example that satisfies our theorem. Finally, we calculate the rate of convergence. |
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