The Numerical Range of 2-Dimensional Krein Space Operators

• Autores: Hiroshi Nakazato, Natália Bebiano, Joao da Providência
• Localización: Canadian mathematical bulletin, ISSN 0008-4395, Vol. 51, Nº 1, 2008, págs. 86-99
• Idioma: inglés
• DOI: 10.4153/cmb-2008-011-1
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• Resumen

  • The tracial numerical range of operators on a 2-dimensional Krein space is investigated. Results in the vein of those obtained in the context of Hilbert spaces are obtained.