Mathematical Discussion with Aono
04/04/01
04/03/27
Nice paper on the numerical range
Joel H. Shapiro:
Notes
on the numerical range September 19,2003
04/03/26
Numerical range of nilpotent matrix is a circle with the center of the origin 0.
Inequalities Governing the Operator Radii Associated with Unitary
ρ-Dilations
John A.R. Holbrook
Michigan Math. J. 18(1971) 149-159
The Powers of an Operator of Numerical Radius One
Michael J.
Crabb
Michigan Math. J. 18(1971)253-257
Convexity Properties of Operator radii Associate with Unitary
ρ-Dilations
Tsuyoshi Ando and Katsutoshi Nishio
Michigan Math. J. 20
(1973)303-307
Operator Radii of Commuting Products
K. Okubo and
T.Ando
Proceedings of American mathematical Society(1976)203-210
The Numerical Radius of a Commuting Product
Vlsdimir
Muller
Michigan Math. J. 35(1988) 255-260
Numerical Radii of
Zero-One matrices,
Kenneth R.Davidson and John A.R.Holbrook
Michigan
Math. J. 35(1988) 261-267
04/03/09
U.Haagerup and P.de la Harpe,
The numerical radius of a
nilpotent operator on a Hilbert
space,
Proc.Amer.Math.Soc.115(1992)371-379
J.S.Lancaster
The boundary of the numerical
range
Proc.Amer.Math.Soc.49(1975)393-398
C.K.Li and N.K.Tsing
Matrices with circular symmetry on their
unitary orbits and C-numerical
range
Proc.Amer.Math.Soc.111(1991)19-28