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Browsing ETD (Electronic Theses and Dissertations) by Subject "Numerical range"

Browsing ETD (Electronic Theses and Dissertations) by Subject "Numerical range"

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  • Gonçalves, Maria Inez Cardoso (2008-05-22)
    For 0 < |q| < 1, the q-numerical range is defined on the algebra Mn of all n x n complex matrices by Wq(A) ={x*Ay : x, y Є Cn , x*x = y*y = 1, x* y = q}. The q-numerical radius is defined by rq(A) = max{|μ| : μ Є Wq(A)}. ...

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