An extremal property of Bernstein operators

• Autores: Jesús de la Cal Aguado , Javier Cárcamo Urtiaga
• Localización: Journal of approximation theory, ISSN 0021-9045, Vol. 146, Nº 1, 2007, págs. 87-90
• Idioma: inglés
• DOI: 10.1016/j.jat.2006.10.003
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• Resumen

  • We establish a strong version of a known extremal property of Bernstein operators, as well as several characterizations of a related specific class of positive polynomial operators.