Title of article :
C-Algebra Numerical Range of Quadratic Elements
Author/Authors :
Heydari، M. T. نويسنده Department of Mathematics, College of Sciences, Yasouj University, Yasouj, 75914, Iran ,
Issue Information :
دوفصلنامه با شماره پیاپی سال 2010
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.
Journal title :
Iranian Journal of Mathematical Sciences and Informatics (IJMSI)
Journal title :
Iranian Journal of Mathematical Sciences and Informatics (IJMSI)