Geodesic
On some properties of the Picard operators
Archivum mathematicum, Tome 45 (2009) no. 2, pp. 125-135.

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We consider the Picard operators $\mathcal{P}_n$ and $\mathcal{P}_{n;r}$ in exponential weighted spaces. We give some elementary and approximation properties of these operators.
Classification : 41A25, 41A35
Keywords: Picard operator; exponential weighted space; degree of approximation; Voronovskaya type theorem 
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     title = {On some properties of the {Picard} operators},
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Rempulska, Lucyna; Tomczak, Karolina. On some properties of the Picard operators. Archivum mathematicum, Tome 45 (2009) no. 2, pp. 125-135. http://geodesic.mathdoc.fr/item/ARM_2009__45_2_a5/