On cosine families of Jensen set-valued functions

• Autores: Magdalena Piszczek
• Localización: Aequationes mathematicae, ISSN 0001-9054, Vol. 75, Nº. 1-2, 2008, págs. 103-118
• Idioma: inglés
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• Resumen

  • Let K be a closed convex cone with the nonempty interior in a real Banach space. A necessary and sufficient condition is given below that a family of multifunctions F t : K ? cc(K) is a regular cosine family of continuous Jensen multifunctions.