Connections between some measures of non-compactness and associated operators

• Autores: José María Ayerbe Toledano, Tomás Domínguez Benavides, Genaro López Acedo
• Localización: Extracta mathematicae, ISSN-e 0213-8743, Vol. 5, Nº 2, 1990, págs. 62-64
• Idioma: inglés
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• Resumen

  • Some relationships between the Kuratowski's measure of noncompactness, the ball measure of noncompactness and the d-separation of the points of a set are studied in special classes of Banach spaces. These relations are applied to compare operators which are contractive for these measures.