Volume 5, Issue 1 (May 2010)                   IJMSI 2010, 5(1): 49-53 | Back to browse issues page

‎ 10.7508/ijmsi.2010.01.006

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C*-Algebra numerical range of quadratic elements
M. T. Heydari
Abstract:  

It is shown that the result of Tso-Wu on the elliptical shape of the numerical range of quadratic operators holds also for the C*-algebra numerical range.

Keywords: C*-algebra, Numerical range, Quadratic element, Faithful representation.
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Type of Study: Research paper | Subject: General
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