Analytic properties of the spectrum in Banach Jordan systems

• Autores: Gerald Hessenberger
• Localización: Collectanea mathematica, ISSN 0010-0757, Vol. 47, Fasc. 3, 1996, págs. 277-284
• Idioma: inglés
• Enlaces
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• Resumen

  • For Banach Jordan algebras and pairs the spectrum is proved to be related to the spectrum in a Banach algebra. Consequently, it is an analytic multifunction, upper semicontinuous with a dense $G_\delta$-set of points of continuity, and the \textit{scarcity theorem} holds.

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